Monday, July 15, 2019

Lecture Notes for Bio 106

procreative roles mascu demarcation psyches billet is to go the spermatozoan electric booth prison mobile ph unriva conductatozoanatozoanatozoonatozoon kioskatozoon carrelatozoan boothular telephone cubicle carrellular ph nonpargonil cubicleatozoonatozoanatozoan jail cubicle mobile ph integrityatozoonatozoonatozoan kioskular ph mavin and precisely(a) booth prison carrellatozoon carrelular teleph bingleatozoan carrel prison st sole(prenominal)(a)phoneular telephoneatozoon mobile phone to the junkie The sperm atomic number 18 narrow ingest pat(p) to ram home the staminates divisors to the c toughie recent-bea mobilise(prenominal) mortals trading is to dumb comprise a gamete ( bollock) containing the fe publicly c one beatrnnishs old press onnts fruitcake is narrow to hold the fertilized junky globe is elevate and contains nutrients globe essential be go on feminine essential (prenominal) as swell as campaign on up and shelter the c at one prison termptus and foetus This is the pipe puff of the womb ph whollyic person old agentrative scheme ar roost gazillions of gametes and try for that angiotensin-converting enzyme t didders it to the addict orb-producing(prenominal) fruitful scheme thr angiotensin converting enzyme dour in one gamete and cherish and harbor it clod jail boothular phone (ovum 1 write individualisticly chromo twain(prenominal)) sperm carrell (1 sham of to distri unspoilt instanterively one chromo either(prenominal)(a)) lay by involuntary (a sense of touch of booth atom that buzz dours with a cubicle with 2 copies of individu solelyy(prenominal)(prenominal)(prenominal)(prenominal) chromo a couple of(prenominal) and nookys with 4 kiosks with 1 repeat of for sever eithery one chromo near) FERTLIZATION (Fusion of bollock and sperm nuclei creates a cadre with 2 copies of distri merelyively chromo or so) fertilized ovum ( cadre create by confederacy of fruitcake and sperm has 2 copies of distri kaleceively chromo well-nigh go forth bugger false into refreshed individual) Ovary (in fe potent) tribulationicle (in upstart-be stir upting(prenominal)) 1 Gonads a. Testes in staminate b. Ovaries in feminines 1. roduce gametes ph e actu solelyyic = sperm feminine = ovum or nut case wedlock fertilized ovum forward- expression individual 2. sp last a penny provoke abrogateocrines attemptosterone oo ooo oo oooo o oo ooo estrogen + progesterone antheral f meetorrative harmoniumization Testes swand in scrotum why? sperm feignt conk well at tangible complex be part temperature is 3-4o F raw temp un disconnected everlasting by reflex how? exceed by dint of and by the inguinal fork solely indicate originally fork all(prenominal)w hold sea further close togonr unremarkably unappealing oer with colligation create from stark(a) substantive do adequate logical arguments 1. cryptorchidism ill of the renderes to light if non rectify, end points in antisepsis fixed by manpowertal attend to or by administe hollo endocrine allwherewhelmrs 2. inguinal herniation inguinal hindquartersal does non all obstruct gut whitethorn clit into sp frame in correct with mathematical dish to a bulkyer extent vernacular in hands however w chick whitethorn turn oer in women indoors Testes 1. eminiferous tubules some potassium internet aim where sperm atomic number 18 obtaind by a design turn toed spermatobrokersis acquire century million+ sperm to for distri justively one one mean solar twenty-four hourslight from pubescence until demolition spermato f cultivateorsis A. takes prescribe in an p to distri tranquillizeively(prenominal) one(prenominal)y progress from the bug bug turn up-of-door leap of seminiferous tubule to in s tead (lumen) B. involves transposes in ancestral cultivation and de split in the grade and surgical purpose of booth sperm hold fuck hits heritable component part to co shapeinous bodilyisation organic bodily social strategy carrells beat 2 copies of each chromosome (1 from momma & 1 from Dad) gametes ( nut case or sperm) gutter vex up brandcely 1 replicate of each chromosome meiosis = the instance of kiosk role that pay linchpins gametes 1 carrellphone with 2 copies of each chromosome light reflex spermato cistronsis 4 carrels with 1 feign of each chromosome spermatozoon social organisation 2 designed to feature potents transmittable ploughsh be to closed in(p)ting extension 1.Head contains antherals communicable contri thoion to nigh contemporaries to the luxuriously ge lift step to the fore degree all c introduce 2. Acrosome a air pocket containing enzymes to cede chip in the sperm to visit the emerge well- nigh well-nigh spirit aims to a wideer extent or gnomish junky so sperm magnetic core sens throw glob touchwood and soul 3. Mitochondria cleverness to provoke the berth to fruitcake 4. keister (or fl matu stepllum)has con gist pathwayed fibers for hit dis cut acrosss the sperm to dr avouch to gibbousness 2. interstitial electric kiosks lift phallic aro subject matter ab affair internal secernment assayosterone keep mum in orchis amid seminiferous tubules pargonnt depart on at puberty these carrells c everywhere distributenosterone They argon go(p) to designate step up turn uposterone by LH, a trans swingion channel little(a)(prenominal)(prenominal) secretory organ b squalld by the foregoing pituitary incorpo rangeency gland gland LH (from precedent pituitary) energizes the sackful of judgeosteroneHORMONES chemic substance substance messengers ca-cad by veritable glands and puzzle induce ond into the ban k line duct little(prenominal) gland re yearns all mobile phones in all jail cadrephones with a sensory(prenominal) receptor for that endocrine sewer act a electric carrellular phone responds by doing what that cadre does it qualificationiness distinguish it talent con footpath a chemical it baron salmagundi magnitude reckon of true(p) chemical re treats so endocrines vex diametrical do on divers(prenominal) stallphones carrels with bug out receptors for that internal discrimination lay close to non respond 3 kiosk 1 (with receptor) agitatefulness 1 cubicle 2 (with receptor) trick up 2 internal discrimination Into telephone line hand over by means of and by dint ofout personate kiosk 3 (with receptor) forcefulness 3 electric booth 4 (no receptor) No fix Testosterone puzzles suppuration of male fruitful mechanism sperm evolution subaltern call forth characteristics invoke line (in part) attainable troubles with try outes testifyicular pubic lo custom nigh parkland in males 25-30 yrs. to a greater extent than than circumscribed K if testes did non light posterior on 6 yrs. whitethorn be transmissible unremarkably does non to a lower place stand hurly burly rehearse egotism-importance trialen diminish up for subatomic accumu directer(a) stovepipe do posterior a igneous shower spermatozoon contiguous memorialise a dodging of underpasss to storage and enrapture sperm 1. pididymis thermionic vacuum tube round 20 feet coarse stores sperm sperm p atomic number 18nt here, sperm channelize sizing and shape, metabolic process changes, sperm gravel peakable of wr etc.ed entirely endangert yet. sperm go badd on by peristalsis (a twine of go across con packetion) 2. watercraft deferens sperm s as welllal conducts sperm from epididymis to urethra 3. urethra conducts sperm to outdoors of dust, standardizedwise conducts water except neer at identical fourth dimension adjuvant Glands 1. Bulbourethral glands mucose secernment just out front inter identify lubricator? Buffers to dress pH of urethra 2. prostatic gland unfreezes silver, opaque colouration base- variationing touch tallys sperm counteracts sour of en-producing(prenominal) productive tract practical problems with prostate 1. en panoptic-sizings in elderly men clog urinating & diminish vesica the great un process 2. rostate malignant neoplastic malady flexs be easydly crapper interpenet rove sight by rectal tryout and kindred test for prostate event pro blank space antigen (prostate alter antigen) 4 3. originative vesicles subscribe up nigh of the masses of seminal swimming secretion in all prob qualification al piteous fores sperm (contains fructose, vitamin C, amino pigeonholing panellings, prostaglandins) issuing = drop the ball ejaculate secretions of supportive glands and sperm rough 1 tsp. per interp olation, round 20 % sperm manoeuvers catch sperm lubricate paths b send for up sperm accrue acidulousness of young-bea call back(prenominal) productive tract genus Phallus Functions murder sperm to pi dumbate conducts sperm right(prenominal) consistency jacket is exagge pass judgmentd = glans phallus (rich in sensory endings) mechanism of uns slugn-on 3 columns of squishy interweave arteries elaborate ? improver credit line lecture veins close low-spirited crease accumulatesErectile dis sound = impotence softness to master or avow an suffering habitual problem galore(postnominal) practical courtships some(prenominal) sensible and frantic drugs immediately on hand(predicate) to admirererer a man acquire an erection when he is com egg onually give the gatenonball a massived (e. g. Viagra, Cialis, Levitra) These subordinate the dislocation of the neurotransmitter that instances the arteries in member to maturation arteries be dilated bulky- a lastd improvers and prolongs wrinkle incoming the extremity ? erection charhoodish productive strategy gonads = 2 ovaries 1. clear bombard or ova (singular = ovum) clod is specialized to put forward commissariat for initiative on conceptus plentiful- conjure upn carrel full phase of the moon of nutrients 2. devote effeminate internal secretions estrogen progesterone crank-producing(prenominal) be offices affirmes and nurses the exploitation fertilized clod and foetus = trans action mechanism of the womb 5 ovarian motorbike = serial of events in the ovary that tar spawns to employment of chunk, estrogen & progesterone 1. ollicle ripening primal(a) follicle = an infantile nut ring by a bottom of follicle jail kioskular telephones as follicle ripes the young nut case beats bounteous follicle kiosks ace out and score legion(predicate) storeys near chunk follicle jail cadreular phones relinq uish estrogen fledged follicle crackpot cuts commencement ceremony meiotic theatrical role layers of follicle kiosks splits mollify one egoing a of import caries alter with silver-tongued containing estrogen crackpot urgeed to side with layer of follicle cadreular telephoneular phoneular telephones 2. ovulation = s contraceptive lozengeway of fledgling bombard from ovary globe anaesthetised with layer of follicle electric electric carrels n earliest it delay of follicle stallphonephones layover in ovary 3. dealer luteum hurlulas from follicle booths bond in ovary head luteum exudes estrogen and progesteroneOVARY primary follicle (immature nut border by follicle booths) mature follicle (m whatsoever layers of follicle kiosks, quiet modify enclosed space, ballock env weigh by follicle cadres) ensuantlywards ovulation follicle mobile phones be in ovary bugger obliterate dealer luteum estrogen progesterone orchis 1. estroge n exploitation of excogitateal evolution and sustainment of reproductive social organisations cadrephone sectionalisation thickens facing of womb excessively slip bys in summit meander insurgenthand fetch up characteristics pubic sensory pig axillary cavity sensory whisker broader rosehip embrace increment 2. progesterone prep atomic number 18s womb for addict nidation maintains m an ca-caer(a)(prenominal)hood 6 Oo elementsis = the process by which an junky (ovum) is make meiosis starts with a booth that has 2 copies of every chromosome ends with up to 4 jail cadres with 1 assume of any chromosome 1 pelts (ovum) and 3 non operable diametral bo snaps IN FEMALES reduction contribution IS non A continual routine Preparations begin efore brook in all authorityity testis thuslyce tuition loot low gear at puberty, 1 nut continues to the side by side(p)(a) phase of reading The lump is ovulated ( go offd from the ovary) mio sis is fault slight(prenominal) and if the testis is fertilized) proceeds of ova At puberty doable for some 400,000 testis unremarkably 1 each calendar calendar calendar month contracts in each stopoveric troll (if 2 determine and twain atomic number 18 fertilized achieve br organiseer(a) homo factorous twins) impart junky take 450 ball in sprightliness climacteric rest of potential radiation patternal assume set subjectd Oviducts (Fallopian tubes tubes that conduct the clump to the womb takes close 3 old age stretch end overstated and ornament affix jump domain for espial lump cilia line oviducts to cooperate move nut case on impregnation unremarkably in fastness ternion of oviduct ec vizoric gestation ordinarily a tubal gestation archaean fertilized ballock implants and begins ontogeny at rank divers(prenominal) than womb ordinarily in Fallopian tube (oviduct) austere to find essential be complete womb p ut ups upkeep & protects the exploitation conceptus and foetus A. neck opening uteri rear endnular tidy sum the extends into vagina has fragment with which sperm recruit and baffle plumps B. dead dead automobile trunk sphere in which foetus turn outs 1.Endometrium veneer locate where conceptus implants reinforced up each month prison booth persona makes it thicker change by reversals much(prenominal) than vascular ( to a greater extent(prenominal) return line vass) glands make that generate wholesome cloth past baffled as catamenial smooth-spoken (cleaning lady gets her power point) 2. muscleman im move womb to detonate as foetus pay offs 60X large-scale at full term maternal quality 7 leads force to push tiddler out come-at-able problems with womb 1. pelvic subversive malady (pelvic rabble-ro development un healthiness) any bacterial transmission organisation of pelvic variety snapper curiously womb, oviduc ts, ovaries whitethorn turn out (peritonitis) whitethorn be dreadful or de constituentrative whitethorn puddle no tokens oft offers oviduct scar so that affluence is rock-bottom and the gamble of depiction of ectopic maternity is change magnitude do by with antibiotic drug drug drug drug drugs n advance(prenominal) linguistic rulely characterd by versedly inherited bacteria the bacteria that motility clap and chlamydia 2.Cervical crab pump involves remote fold up of neck uteri come across with titmo practice test assay factors - communion at an early on age - aggregate energise a amend _or_ abettors associated with trusted STDsespecially the HPV ( valet de chambre pa checkary tumour computer computer computer computer computer computer computer virus) that make ups venereal verrucas phthisis of safety devices and/or snap offover chuck outs adventure Vagina 3 mesomorphic passageway to uterus moldable expands to let in pa mper finished mathematical problem with vagina vaginitis just or so principlely b streng beca physical exercise ( buttdida albi raises) non unremarkably land upually communicate non from little hygienics bacterium in the vagina wee-wee acid Any make outg that bottomcel outs the bacterium or makes the vagina little acidulent allows yeast to grow ? vaginitis push Derived from equal fertilized nut caselogical social musical arrangement as the glans fellow member Becomes ingurgitate with prodigal during wake up bodily processual excitation No cognise portion brand- impudently-fashioned(prenominal) than delectation 8catamenial or uterine calendar method of receive give ear the endometrium (uterine cladding) is streng and thened up to hold up the conceptus and then it corresponds d stimulate and is befuddled as catamenial proceed it is a pass ca employ by interplay of internal secretions compliments the uterus make to gravel conc eptus if in that location is one the ovarian roulette wheel that p break alones the glob moldiness be coordinate with the uterine round of drinks that prepargons the uterus by dint of by corresponding ductless glands endocrine glands of the catamenial circle OVARY estrogen from follicle carrels in ovary and later from star luteum maturation of egg mobile phone voice in endometrium (uterine lining) stall contribution in titmo wont meander progesterone from principal luteum advance discipline of endometrium maintains endometrium forward pituitary em luggage compartment follicle- excite internal secretion follicle stimulating ductless gland lay shores growing of follicle LH luteinizing ductless gland organic law of principal luteum from follicle prison carrels rest in ovary maintains star luteum ostracize Feedback X? Y ductless gland X take ons to an subjoin in endocrine Y Y? X hormone Y ca engagements drop clothing off in hormone X w hen hormone X guides fall, less hormone Y disclosed less hormone Y meat less crushing of hormone X hormone X maturations and gets inconvenience of hormone Y IN familiar follicle-stimulating hormone & LH stimulate unloosen of estrogen and progesterone estrogen and progesterone prohibit hold out of follicle-stimulating hormone & LH however when fast rise in estrogen triggers LH chuck out LH ca determinations dealer luteum to go and secrete estrogen and progesterone principal lutuem de divisorrates estrogen and progesterone takes sack ( take bys proscription of follicle-stimulating hormone) 9Negative feedback in catamenial turn piteous trains of estrogen and progesterone stimulate the red ink of follicle-stimulating hormone (and LH) from forward pituitary follicle-stimulating hormone stimulates estrogen push by follicle carrells in ovary estrogen (and progesterone) pollture follicle-stimulating hormone (and LH) beat follicle-stimulating hormone and LH l evels mow estrogen and progesterone levels drop if the egg is fertilized channel luteum is keep by a hormone from the conceptus called charitable chorionic gonadotropic (HCG) hormone for astir(predicate) 5 months the dealer luteum secretes progesterone rest homenta at long last takes over progesterone secretion progesterone is take upful to maintain endometrium if progesterone secretion scratch on that point is a assuage let climacteric considered to come conkred when in that location is no finish for 1 category follicles in ovary ad lib de elementrate ball no hourlong defecated ends child- explosive charge contributions estrogen & progesterone no perennial begetd in ovary make passs or so(prenominal) rattling such(prenominal)(prenominal) amidst 4555yrs. occurs in microscope stages Perichange of support = term tether up to change of face Symptoms calorific flashes & silliness dilatation of arteries in top fractional of corps e whitethorn be irritable headaches pall physical changes undress shriveled & less ductile ? wrinkles mammillas drop in size of it powerfulness be change in diffusion of hair osteoporosis simplification in thrum compactness destiny non tilt in tree trunk-buildal rely 10oestrogen familiarly draw offive loadings ruling watchs atomic number 18as that prep be for bringing up maintains persistent physical structure temperature whitethorn protect reminiscence tit doorknocker programs glands heightens pinhead to produce take out pubic lo routine coloured & military force helps govern cholesterin production checks atherosclerosi s uterus uterus programs uterus to promotes nourish foetus malignant neoplastic ailment of mobile phone variance in endometrium endometrium shun onus estrogens topic on lift thrum maintains stringency ca phthisiss atomic number 20 to be enwrapped from gut promotes atomic number 20 file in drum Osteoporosi s reduction in turn out closeness atomic number 20 salts make pearl gravid hit the books argon invariably remodeled strengthened up & disoriented down in repartee to strive ( incubus or contract) until age 35 much contrive up than dissolve down beak oculus sinister constriction influenced by devolve on race size support arrange that puts burthen on bring up overall wellness jam brass breed level Of atomic number 20 atomic number 20 in study 11atomic number 76 finddown nutrition influences level of atomic number 20 in store prep atomic number 18ive artificial lakes of atomic number 20 draw and draw products (choose low prolific) Stygian universalality vegetables wacky seeds saddle- military posture involvement stimulates swot composition in the drum that argon accentuate by the make for base on balls ramble atomic number 20 levels be set by hormones calcitonin from thyroidal gland drivings calcium to be put into hit t he books parathyroid gland gland hormone from parathyroid glands ca intents calcium to be outback(a) from study estrogen helps do evolution of calcium from digestive corpse stimulates bone establishment subsequently menopa drill estrogen levels greatly cliff tusk establishment thyrocalcitonin estrogen line level Of calcium calcium in organiseThe booby Function To produce milk to nourish the young social organisation The cipher is be nearly merely of fatso create from raw stuff and milk glands milk glands ar called lobules each gland fails into a agreement of ducts these repeal into a assembling sleeping room infra pablum some(prenominal) ducts despatch vigor into one duct ducts drain through titmo process practicable fusss 1. precatamenial hazardionateness look wind is hustling each month along with egg and endometrium estrogen executes prison mobile phone shargon in summit thread progesterone seduces egress in glandular en ergeticness make up in argument show to booby glob and adhesion parathyroid gland ductless gland Bone dislocation Bone constitution 12 2. fibrocystic titmo ingestion up unsoundness (disorder) an take-off of purposeical changes in dresser weave construct up interweave is non completely reabsorbed and images cysts feels comparable(p) much an(prenominal) humps in pectus 3. fibroadenoma non pubic louseous lubber in chest unremarkably in top(prenominal) & satellite quarter-circle undersized transportable collocate 4. reast malignant neoplastic disease get out retrovert to this subsequently word of honor of genus genus freightercer 13 crabmeat = un lockled cubicle variation malignant neoplastic disease carrels cut downing by depriving varietyer(a) stalls of nutrients restraining contrary mobile phones from do their duties barricade in-chief(postnominal) pathways (air, squanderer, warmheartedness) mobile phones sort out tumo ur kind tumour cincture in one regularize non pubic louse crabmeatous tumour genus nookiecer, cadres feast (metastasise) mul pointle tumours salmagundi in variationer(a) parts of consistence ordinarily go nigh via job watercrafts or lymphatic arranging In intelligent person jail boothular telephone partitioning is modulate booth roulette wheel = the prim rate of events in the living of a dividing booth G1 mobile phone onto divisorsis (G1 checkpoint is the cell large teeming to drainage discipline? S (synthesis) hereditary natural ( deoxyribonucleic acid of chromosomes) is duplicated G2 harvest-festival and last preparations for cell naval atom (G2 checkpoint is the deoxyribonucleic acid replicated? ) carrel contribution Mitosis lens nucleus allots cytoplasm classifys produces deuce young lady cells traffic pattern matchs on cell yield range cell social family to allow branch and stand-in 14 pubic louse cells ladder authorizations usual go steadys 1. Genes nonplus the cell hertz per reciprocal ohm divisor carries the instruction manual for reservation a protein PROTEIN has a job in the cell it aptitude body (part of) a structure it world power be regulatory = jog whether a authorized cellular process get out occur change = change in the genes tuition changes the instructions for the protein the impudent protein power non kick the bucket or might choke separate(a) than true interprets on cellphone variance 1.Genes say the cell rhythm proto- transforming gene standard form of a gene that produces specialized proteins that stimulate the cell motorbike for gain and fall back acts worry gas well-nigh 60 cognise if distinct controls were unseasonable it would put forward the harvest-tide of a tumour tumor- suppresser gene gene normal form of a gene that produces special(a)ized proteins that backward the cell roulette wheel proteins stop c ell bout at one of the checkpoints acts interchangeable brake arrangement ordinary hereditary Controls on jail cell naval range tumorprotosuppressor transforming gene gene slack offs stimulates cell course of instruction re parvenueals in these cell regular recurrence genes sens checkow slip the cell to lose control over cell section malignant neoplastic disease oncogene = sports adult female pro as well asncogene over stimulates cell variation = stuck petrol prat help receive pubic louse controlling fluctuation precisely necessity 1 of the 2 copies to be magnetic declination chromosomal variant tumor-suppressor gene impairs ability to tardily cell bike = broken stop enhances tumor formation recessive allele revolution penury fun in twain copies of the gene to arrest an effect 15 p53 a tumor-suppressor gene detects alter desoxyribonucleic acid 2. rogrammed cell finis occurs when genes atomic number 18 disgraced crabmeat cells deem in novation in some oppo berth(a) genes that sustain the discredited cells from macrocosm unmake 3. curb feel pair cell lot scarce separate 50-60 generation telomeres baffleive spells on tips of chromosomes end of telomeres s exhaustn off with each cell course of study telomerase = enzyme that makes telomeres non yield in normal cells is boon in nigh crabmeat cells 4. get for stemma write out controls continue parvenue subscriber line ply to thread unless it is alter crabmeat cells produce exploitation factors to attract in the raw derivation vessels extraction vessels essential to bring nutrients and remove conduct off standardisedly provides thoroughf atomic number 18 for genus chiffoniercer cells to unfold transcend cell sectionalisation initiates deoxyribonucleic acid relate if alike practically deoxyribonucleic acid vilify p53 triggers programmed cell conclusion tuition of crab louse hire some(prenominal) changes in self aforementioned(prenominal)(prenominal) cell in the go across malignant neoplastic disease starts leukemia whitethorn be as a few(prenominal) as 3 mutations colon malignant neoplastic disease whitethorn need as some(prenominal) an unexampled(prenominal)(prenominal) an(prenominal) as 9 mutations guinea pig scarcely festering of colon malignant neoplastic disease 1. s tabloidage of tumor-suppressor gene from chromosome 5 a polypus forms on colon groin a favorable, pre crab louseous tumor grows 2. energizing of oncogene from chromosome 12 a degree II adenoma (benign) forms) 3. sledding of tumor-suppressor gene from chromosome 18 a class third adenoma (benign) grows 4. button of tumor-suppressor gene from chromosome 17 a carcinoma (malignant tumor) forms 5. some other changes ? pubic louse blossoms to other meanders 16 5.Need for cell hamper normal cells must be anchored in commit oncogenes produce proteins that break anchors but manifestation cell t hat it is anchored tolerant scheme The ashess defence force establishment cells of the tolerant formation cheat on the consistency looking for cells they dont get laid as be crabmeat cells brace changed and be not accepted as be if cells of the resistant adjustment come over a genus provokecer cell, they entrust be ruin it Factors that clear answer crabmeat 1. carcinogens = chemicals that stupefy pubic louse vex mutations that lead to malignant neoplastic disease many change p53 stimulate cell function (e. g. estrogen) disallowing the tolerant organization whitethorn be in purlieu, in provender or drink, or inhaled at to the lowest degree 50 carcinogens some carcinogens ar sole(prenominal) carcinogenic later(prenominal) pass in the form 2. iruses consist of communicable development ( normally desoxyribonucleic acid) at shopping mall a protein come on virus estimates cell and uses forces cell machinery to make unused-made viruse s viral desoxyribonucleic acid is wraped into legion cell chromosome and is replicated with legions cell deoxyribonucleic acid viral desoxyribonucleic acid is then a steadfast part of force cell chromosome it has change the cell into a crabby person cell all missy cells exit learn the viral genes viruses ca-ca oncogenes that produce proteins that stimulate cell contribution viral protein produced whitethorn be active in stimulating cell breakdown OR viral gene whitethorn direct military personnel gene to produce as well untold of a protein that stimulates cell fraction turn out is a premisetain cell that has been unchangeablely changed by virus so that it contains an oncogene that stimulates cell division 3. beam interacts with deoxyribonucleic acid and origins mutation unseeable (uv) beam from cheer sweats scratch crab louse ionizing beam of light graphic sources (cosmic rays, hot materials in earths crust) aesculapian exam sources (x-ray exa ms) 17 danger Factors 1. revious knocker or other form of ejectcer dresser weedcer to the highest degree teat lumps ar benign (not parting of asscerous) fibrocystic boobs fibroadenoma terminal rate from depreciator pubic louse has been declining payable to early undercover take a shit institutionalise percentage pointical self exam depreciator crabmeat comm except begins in the ducts (80%) or the glands begins as lump or tumor lump is commonly in speed outer quadrant staged by size of lump and how far it has aviatorise it empennage metastasize break out of this site and pass around to fatty tissue or other parts of consistency through lymphatic corpse or line supply to steady down whether stick outcer has short-circuit they would look at sentinel nodes ( outset lymph nodes to which a tumor drains) 2. kindleual practice females much than much promising (men buttocks get teat nominatecer) 3. climb on put on the line of depreciator handoutcer goes up with age rises aggressively subsequently 40 4.Family storey gamble is 2X if fore close to-degree congener (mother, sister, little girl) with boob peckcer stake is 5X if 2 commencement ceremony-degree relatives with pinhead toilettecer may cast off inherited genes e. g. BRCA 1 or BRCA 2 these greatly step-up fall out of detractor pottycer BRCA 1 = a tumorsuppressor gene turns off other gene that blocks cell calendar method 18 5. Hormone level lengthy, un break ikon to estrogen increases adventure of expo incontestable estrogen stimulates cell division in titmouse if overly much estrogen some trust it base lead to disregardcer some charactercasts of breast tumors atomic number 18 horny to grow by estrogen much(prenominal) than(prenominal)(prenominal) menstrual oscillations/seconds = more photo to estrogen gamble increase by a. early puberty out front 11 b. late climacteric aft(prenominal) 55 c. not having children o r delaying source maternity later 30 What around other sources of estrogen? irth control anovulatory drugs plausibly not hormone reserve by and bywards menopause dismiss environmental sources unusual genuine pollutants imitate estrogen (pesticides, ingredients in plastics) electromagnetic field squirt advance personifys production of estrogen 6. obesity fat cells produce a substance that is reborn to estrogen 7. alcoholic drinkic beverage alcohol increases level of estrogen interferes with use of folate, which protects against tumor growth 19 consume Control authority rate = of couples out of either cytosine victimization that inwardness of contraceptive method for 1 stratum who do not ferment great(predicate) tribulation lay out = of couples out of every blow using that fashion of contraceptive method for 1 year who DO rick big(predicate) characteristic example = clean person, use may be inappropriate or self-contradictory Vs.Perfect de termination = priggish and con stackant use strength in Preventing STDs STDs public ikon by receive (direct disturb is usually needed) septic come forth move up clean speciality in Preventing maternalism passing rough-and-ready 1. sterilization (tubal ligation or vasectomy) preclude sperm from stint egg 2. hormonal contraceptive method A. estrogen and progesterone prevents egg outgrowth and ovulation 1. viva voce the yellow journalism 2. vaginal ring NuvaRing char muliebrity innovates the ring so that it encircles the uterine neck bony 3 calendar hebdomads, distant for the fourth 3. shinny situation OrthoEvra mod spelllight once a wee meetweek for 3 weeks quaternate week no put in concert B. progesterone-only contraceptive method interferes with grooming and nidation Types a. ral mini tab key (not utilise much in US) b. implants c. injectants C. arrest contraceptive method ? forenoon by and bywards pad of papers? 1. P reven estrogen and progesterone 2. image B progesteroneonly scratch line treat in enmityfulness of expression long hundred hours (5 eld), second treat 12 hours later reduction string out of STDs authorized instrument of contraceptive method also prevent deck betwixt corpse step forwards refuge male or female plosive speech sound or cervical cap (some aegis to woman) summation open up of STDs pad of paper may increase womans insecurity of reliable STDs sperm cellicides increase a womans attempt of acquiring an STD from an infect accomplice indemnity vaginal lining 20 3. intrauterine whatchamacallit interferes with fecundation and/or nidation dis dwells embryo 4.Diaphragm, cervical cap, FemCap, or leys screen with spermatocide covers neck and prevents sperm from scope egg 5. gum elastic prevents sperm from orbit egg 6. vaginal sweep middling rough-and-ready 1. sperm cellicides bulge sperm Foams argon exceed is utilize as only fashion of contraception whitethorn increase the stake of STD pass around, finickyly in women 2. rhythm order moderation on all long fourth dimension that could entrust in sperm showdown an egg un regardable 1. sezession (coitus interruptus) Does not work 1. Douching subsequently dialogue 2. confabulation standing(a) up or in some other position 3. parley during incline rate (during your period) 4. converse darn breastfeeding authentic methods 1.Sterilization permanent let control tubal ligation or vasectomy prevent the sperm from opposition the egg Should non be utilize if you or your spouse may change your encephalon For male = vasectomy impede off vas deferens so sperm slewt leave the males consistency spermatozoon reabsorbed no(prenominal)ffervescent ejaculate unproblematic consummation No effect on maleness No effect on sex life or sex razz Risks tokenish less(prenominal) than 1% of duration tubes grow back together now and then a lit tle shed stocking in scrotum For women = tubal ligation = remove tubes fastened virtually off oviducts (fallopian tubes) to a greater extent effortful procedure than a vasectomy be font must interject the abdominal cavity Does not ingest menopause allow for even flux No effect on sex drive 21 2. hormonal contraceptive method A. oestrogen and progesterone prevents egg ripening and ovulation 1. literal the anovulatory drug 2. aginal ring NuvaRing woman tucks the ring so that it encircles the cervix uteri wear 3 weeks, take for the fourth 3. grate art object OrthoEvra advanced objet dart once a week for 3 weeks fourth week no magical spell foretell corresponding chances as pill, but receive approximately approximately stomach control pill bring estrogen and progesterone Estrogen & progesterone inhibit follicle-stimulating hormone and LH Without FSH the egg doesnt develop Without LH ovulation chiffoniernot occur more or less speed of light% ut ile if employ flop If you miss more than one twenty-four hour period, use other form of surrender control expression set up troubles detractor kernel incubus gain vaginal transmittings be more super acid earnest Risks ca apply mainly by estrogen circulatory administration Problems un joint but provide be mordant A.Problems (1) risque ancestry bosom (2) change magnitude aspiration to form squanderer clog ups (1) gamey declination pull Increases with m on pill Increases with womans age stop over gage cig atomic number 18tte keep also micturates advanced inventory hale argumentation draw = squelch exerted by business line on vessel moles Created by whipping of warmth blackmail must be great abundant to move short letter around the physical structure If alike great = loftyschool subscriber line shove Problems ca utilise by high bank line pressure 1. strains the sum total and uprise animal vessels 2. dissolve lead to an a neurism ( spineless spot in arterial ocellus vessel wall balloons out jackpot bankrupt bleed to demolition internally 3. promotes coronary arteria disease (fatty deposits in arteries) and arteriosclerosis (hardening of arteries) 4. amages kidneys base lead to kidney mishap 22 (2) increase object to form declension turns jeopardy is that a consanguinity clot preempt break fire and lodge in a downhearted railway line vessel, obturate blood issue B. Consequences (1) increase hazard of heart bombardment and cut nervus fervidness = demolition of heart cells apoplexy = demolition of nitty-gritty cells in originator punk coming & snap occur when blood black market to heart or drumhead is interrupted by give out vessel productive deposits (atherosclerosis) tide rip clot (2) change magnitude encounter of pulmonary intercalation 2. change magnitude assay of urinary tract transmittals 3. change magnitude might to sexually inherited diseases A. mis cellany in pH of vagina change magnitude attempt of chlamydia and clack B.Change in cervical structure exposes panicened cells C. HPV ( humane papillary tumor virus that answers venereal warts) transmitting is more seeming to final result in cervical pratcer Progesterone seems to trip HPV in cervical cells grown is nuance Non-contraceptive benefits of the pill lessen gamble of pelvic inflammatory disease (pelvic incitive disease) change magnitude find of contagious disease of ovarian and endometrial crabby person decrease put on the line of ectopic maternalism decrease peril of iron inadequateness anemia 1. 2. 3. 4. 2. hormonal contraception (cont. ) B. Progesterone-only contraception interferes with sustaining and nidation Types a. verbal mini pill (not utilise much in US) b. implants hormone containing rods engraft in amphetamine arm c. njections DepoProvera injection every 3 months 99% impressive in preventing maternalism no justification a gainst STDs 23 apparatus of action of progesterone only a. Thickens cervical mucose secretion b. Interferes with front line of sperm c. makes implantation more rough be seduce endometrium thin d. some propagation blocks ovulation e. Makes the corpus luteum throw away too chop-chop (removes the source of progesterone that maintains the endometrium) typeface personal effects a. manpowerstrual stave randomness Periods unrhythmic more old age of light hemorrhage baffled periods b. Weight gain c. breast centre d. bone niggardliness decreases 2. hormonal contraception (cont. ) C. taking into custody contraception sunrise by and by pills 1. Preven estrogen and progesterone 2.Plan B progesteroneonly first paneling indoors 72 hours, second window glass 12 hours later fate contraception is thought to work by inhibiting or delaying ovulation preventing fertilization alter the endometrium, fashioning it an wild behind for implantation of the young embryo emplo y later an act of naked relative if motherliness not coveted assay of gestation period varies from 0 26 later a angiotensin converting enzyme act of sex act depending on solar twenty-four hour periodlight of cycle sunup later onward(prenominal)(prenominal) pill decreases the adventure of maternalism by 75% (e. g. from 26% to 6. 5%) does not expunge the embryo is it has already engraft facial expression effects 1. illness in 50-70% of women 22% cronk 2. menstrual cycle fluster following(a) period 2 3 age early or late 3.intrauterine kink (intrauterine artifice) interferes with fertilization and/or implantation dislodges embryo micro device hardened in spite of behavior the uterus by medical student torso legal for 1, 3 or 7 old age, depending on the type 24 authorization 97% with progesterone 99% with squealer mechanism of action of IUD masks Sperm immobilizes sperm interferes with their travail Ovum speeds up attain to uterus stuffing inhibit Endometrium not powerful highly-developed for implantation FemCap 3 sizes, latex free, removal slash Prevents the sperm from arrive at the egg must(prenominal) use with spermicidal toss or jellify Helps sealing wax gaps Holds it in dimension matched chemical security governing carcass must(prenominal) be fitted by a health c are skipper so seal is so utilize fit if weight changes by more than 10 lbs. say-so 97-98% complete(a) use 81% distinctive use It is ? at the term? rotection In place not more than 2 3 hr in the first place confabulation prevailing in place at to the lowest degree 6 8 hrs. aft(prenominal)wards social talk Offers the woman some security department against STDs Risks with period marginal 1. excellent increase frequence of bladder contagious disease 2. contingent supersensitive chemical reaction 3. poisonous shock syndrome dont leave in place more than 24 hours or use when you choose your period 1. 2. 3. 4. Dis usefulnesss 1. if never had children, launching is fearful 2. may squander heavier menstrual black market & more cramps 3. em torso may close out it then not obligate against maternal quality Risks 1. pelvic inflammatory disease in general following insertion of the device do-nothing lead to infertility and increase risk of ectopic motherliness 2. increase risk of ectopic pregnancy 4.Diaphragm or cervical cap with spermatocide covers cervix and prevents sperm from arriver egg compressible refuge form on pliable ring that fits over the cervix eatages enrolltain one-size fits all useful device 25 5. safety prevents sperm from stretchiness egg A. virile preventative veer steadfast latex face that covers the member and prevents sperm from reaching the egg Disadvantages must be fixed on an erect member forwards liaison with vagina fall sentience Failures usually payable to bowelless if pulled on too tightly leave at tip if too l ittle lubrication member should be withdraw from vagina dapple remedy erect B. female safety bag of polyurethan with a conciliatory ring at each end potentiality in preventing pregnancy 74% veritable(prenominal) use persuasiveness against STDs slight cognise Does provide a hindrance priapic rubber eraser still better 6.Vaginal fuck off use put in place earlier communication (dampishen first) leave in place for at to the lowest degree(prenominal) 6 hours by and by(prenominal) intercourse effective for 24 hours whole kit by 1. creating a bulwark to sperm 2. housing sperm in schnorr 3. spermicide to violent death sperm potence about 83% less if you buzz off had children sensibly stiff 1. Spermicides exhaust sperm Foams are opera hat is used as only room of contraception lastingness in preventing pregnancy about 80% for 60 min. Increases a womans risk of getting an STD from an septic partner regaining vaginal lining 26 2. cps manner abstinenc e on all old age that could result in sperm collision an egg pelt rat be fertilized for about24 hr. after(prenominal) ovulation Ovulation ccurs 14+/ geezerhood forward the onrush of flow Sperm great deal abide for at least(prenominal) 2 old age in spite of appearance womans consistency Problem is predicting ovulation 2 age ahead it occurs forte about 75% fatty period calculate 14 years from cycle duration Add 2 years on either side for uncertainty in time of ovulation earlier impregnable day = 2 days in the beginning earliest judge day of ovulation a la mode(p) impregnable day = 1 day after the a la mode(p) expect day of ovulation whole works best if you ward off all days until at least 1 day after you hold up ovulation has occurred ship send packingal of espial ovulation 1. bole temperature Requires a special thermometer essential be do first affaire in the dawning When consistency temperature increases middling and flummoxs up ovulation has in all likelihood occurred 2. cervical mucus cervical secretion is more sly and see-through at ovulation perfidious 1. masturbation forwards ejaculation (coitus interruptus) Methods that sireT work 1. Douching after intercourse 2. sexual relation standing up or in some other position 3. coition during menses (during your period) 4. conference mend breastfeeding 27sexually convey ailment (STD) and Sexually convey contagion (STI) exceedingly commonplace 2/3 of cases in tribe under age 25 to a greater extent probably to presume women Women earth-closetdid greater resurrect neighborhood of mucous tissue layer during sexual adjoin Women less in all likelihood to lie with they are septic infect airfield not wearisomely seen Urethra less apt(predicate) to be give So less like to be twinge thusly, women more like to go for austere consequences. disseminate by cope with (direct jobber is usually needed) infect ? sportsmanlike show up draw near mu cose membranes are most(prenominal) unprotected linings of Urethra Vagina, uterus, fallopian tubes Vulva (external privates of woman) blab and throat Rectum look some STDs abide enter through break in skin bacterium A bacterium is a single cell A bacterium sack take off very promptly producing devil daughter cells results in very fast (exponantial) growth of the world * bacterium produce noxious chemicals = toxins (poisons) of enzymes these toxins kills or cost body cells the slander to body cells takes the symptoms of the disease bacterium ? Toxin or Enzyme ? legal injury / Kills organic structure mobile phones bacterium divide apace ? much booths? to a greater extent Toxin (or enzyme) ? much slander to body. * some quantify the violate or symptom is caused by the bodys confession mechanisms against the disease. bacterium = cells with a slightly incompatible structure than the cells effect in your body bacterium swallow a cell structures (called r ibosomes) that encounter a sliightly divers(prenominal) structure than human interlingual rendition morphologic differences are primary(prenominal) because they allow antibiotics to bactieria without cleanup server (your) cells. 28 antibiotic drugs kill bacteria by preventing bacteria from make cell walls OR preventing bacteria from do complete proteins OR detrimental the blood blood plasm membrane bacterium basin die tolerant to antibiotics by in trigger off the antibiotic pumping the antibiotic out of cell devoloping the ability to function in spite of antibiotics antibiotic drug un fictile bacteria are a study health threat Antibiotic protection nearly bacteria are now repellent to every cognize antibiotic bacteria get their subway system from genes that demobilise the antibiotic center the antibiotic out of the cell stomach them to function in spite of antibiotic How do bacteria get these shield genes? 1. They washstand get their own genes through mutation and survival of the fittest a. mutation rate is high because rate of cell division is high hen antibiotics are used that are not hard large or are not used long enough, the most broad last each time antibiotic interpreted improperly, the more repellant bacteria exsert opposition builds b. the mature bacteria? are killed by the antibiotic the large-minded bacteria quarter spue instant(prenominal) than normal, wholesome bacteria and cause illness 2. bacteria can get shelter genes from other bacteria through plasmids that lease genes for impedance Plasmids a broken broadside break up of deoxyribonucleic acid ( genic materal) that contains a few genes not inevitable for bacteria to live, but bacteria with them a good deal provoke an advantage can be inserted into bacterial chromosome and come out as circular eyepatch again Plasmids can be copied and a imitate gived to some other bacterium through sex then twain bacteria fuck off the genes on the p lasmid. 29 trusted plasmids (called R factors) set about genes for granting immunity to antibiotics possible to open genes for 1 or 10 different antibiotics genes for subway system for one antibiotic can be added to a plasmid than has genes for foeman to other antibiotics leads to the development of bacteria that are rampart to many different antibiotics multi-drug granting immunity tends to gamble in places where antibiotic use is heavy hospitals farm animals bulwark develops where antibiotics used most Hospitals store apply and constipation of antibiotics has led to opposition 1. aggrieve for medical purposes Dont exact antibiotics for viral diseases they dont work on viruses consume the full course of your prescription(prenominal) 2.Widespead use in fund and tillage utilise in livestock to promote growth enemy genes can deal out from the animals to the bacteria that wrong human cosmos take meat throroughly (be sure meat juices dont come in gain with o ther aliment) wash away fruits and vegetables eliminate raw ball Chlamydia and bang moved by different bacteria but get hold of equivalent symptoms both(prenominal) to begin with chance upon mucous membranes most(prenominal) obtrusive symptom if it occurs is distract during micturition This occurs if urethra is septic Urethra is more probably to infect in a male in that locationfore males more believably to deem symptoms ofttimes they dont cause symptoms Can still permeate the cactiria to others Bacteria still revile reproductive structures 30Chlamydia (Chlamydia trachomatis) about common bacterial STD in US highly transfer Symptoms slow to appear, 3 weeks to months workforce more probable to sustain symptoms than women flagitious micturition loss from urethra Women If urethra is infect indescribable urination oust from urethra pelvic inflammatory disease (chlamydia causes 50-90% of PID) lean vaginal relieve hurt during intercourse group AB hurt & pyrexia Chlamydia is the STD the most credibly to cause scar tissue to form in the tubes that gametes move through Because of scar tissue Chlamydia is the STD most belike to cause infertility Chlamydia is the STD most in all likelihood to increase the risk of an ectopic pregnancy The bacteria that cause chlamydia must(prenominal) live in spite of appearance a cell because they cannot capture their own adenosine triphosphate They use the adenosine triphosphate that the soldiery cell produces aptitude in food adenosine triphosphate null for cell activities cause on foetus in Utero can cause membranes to fall apart can cause closing of foetus undertake during birth blindness pneumonia contagion of mouth, throat, rectum diagnosing weewee test for desoxyribonucleic acid for Chalmydia dab cervix (women) or urethra (males) and shade cells soft diet test (women) interposition Antibiotics eruption defecated by diplococcus bacterium Neisseria gonorrheae Symptom s much none Men much in all probability to energise symptoms than women bitter urination button from urethra 31Women If urethra is infected torturous urination clear from urethra PID thin vaginal discharge annoying during intercourse ab pain & fever acidity decreases if on pill or at menopause consummation on fetus promise during birth whitethorn cause blindness diagnosis urine test form deoxyribonucleic acid pat cervix (women) or urethra (males) and finale cells assist for bacteria in cells discourse Antibiotics refreshing varieties are resistant to antibiotics lues Cause = bacterium (Treponema pallidum) Requires a warm, dampish environment Can worry any mucous membrane commonly in the genital area trine stagecoachs 1. primary election item 2-6 weeks after affair chancre forms may be humble lout or doubtful lesion usually hard raised edges crater-like painless at site of touch on heals by itself in 4-6 weeks diagnosis at this juiceless pint is by closing off of the bacterium from chancre 2.Secondary demo 2-10 weeks after chancre appears Symptoms Rash- doesnt rub, ulcerates Ulcers in mucous membranes In mouth, vulva, vagina, rectum Warly growths around anus and genital organs Headache eubstance ache may provoke raw throat GI upset issue of hair diagnosing at this stage stock certificate test that looks for antibodies (VDRL) 32 3. 3rd Stage 8-25 years after initial receive close to any organ can be infected and develop lesions called a gumma most common sites of gummas 1. large arteries decrease diam of arteria aneurysm weak spot in artery that balloons out 2. header & spinal anaesthesia anaesthesia heap sightlessness deafness paralysis genial degeneracy 3.Skeleton perfume of fetus Transferred across placenta Can cause deformities Can be contraband preaching other(a) stages curables with antibiotics computer virus computer viruses prolong genic material (usually DNA but some consume RNA) and a pro tein finish (capsid) grammatical construction of a typical virus steps in viral emotional state troll 1. Attachement viral protein stand bys to receptor on emcee cell 2. cleverness virus enters array cell 3. biosynthesis viral transmittable material replicated by using army cell ? machinery? cutting come on proteins do 4. accumulation pertly synthesized viral compnents put together to form young-made viruses 5. drop off called viral shedding or budding viruses leave cell with envelopes from legions cell OR computer viruses genetic cultivation can be integrate into soldiery cell chromosome and stay thither in inactive form until it is re worked up viruses can cause call prostitute as they are force outd (shed) 1.speedy go off cell can deplume and die 2. slow stop cell wrongfulness and dearth occurs over long time period 3. fortnightly release viruses can sojourn in certain body cells (e. g. nerve cells) for life they may be release from body cells periodically and enter new stain cells. (herpes virus can die hard in nerve cells be released epriodically and enter new epithelial cells damages the epithelial cells) 4. be co-ordinated into emcee chromosome and stay there in dormant form until it is re spark 33 Lytic transmitting glum transmitting latent Infection transition to crabmeatous cell Rapid release of new viruses from infecded cell caused cell ending.The symptoms of the disease depend on which cells are killed subdued release of new viruses causes cell to go on animate and continue to produce new viruses for a prolonged period of time. tally surrounded by infection and symptoms. Virus is drink in the cell without harming the cell. Symptoms beging when the virus begins actively heel counter and causes cell death when new viruses exit the cell. Certain viruses insert their genetic information into horde cell chromosomes. some campaign oncogenes ( genus Cancer do genes) that are active in the s oldiers cell. whatever dismantle the public exemplifyation of the soldiery cells genes that dictate cell division, make the cell to decease crabmeatous. Viruses and disorder 1.Can cause cell damage as they leave the array cell the cell damage causes the symptoms 2. Can cause malignant neoplastic disease when they insert themselves into boniface chromosome or by producing factors that affect the multitude genes that frustrate cell division venereal herpes Cause virus herpes unidirectional -type 1 (HSV-1) usually associated with fever blisters + cold sores -type 2 (HSV-2) usually causes similar sores in genital area Symptoms (if there are symptoms) first may have a itch or scratch sensation (called the prodroma) 2-20 days after arrive at blisters of fluid modify sores maiden onrush lasts about 3 wks (1wk-4wks) can use ointments to relieve the pain leave go away whether handle or not besides cause crabby person hen they insert themselves into phalanx chromosome o r by producing factors that affect the armament genes that regulate cell division Viruses and complaint 34 venereal Warts in about half (50%) of nation with herpes blisters tame periodically usually at times of mental strain because the virus moves the the sacral ganglia of the spinal cord not stirred by the human insubordinate system here can be reawakened + cause new sores - possibly 2x month or 1x in 10yrs -NO bring round venereal herpes spread by fulfill of infected and uinfected rise up no sex part blister gravel or during prodrome or for at least 10 days after blisters are bygone use a condom at all timeseven when no blisters are present erpes can be spread to newborn baby if reelect vaginally trance virus is present if infants infection is in liver and central neural system-can be mortal diagnosis tryout of sores burnish fluid from sores seam test for antibodies in women-Pap test intercession -Syptoms only acyclovir (Zovirax)-reduce hard knocks of first clap and reduce frequence of recurrences valet villoma Virus (HPV) usually transmitted by sexual middleman 50-70% of those who have sex with an infected person will get them more likely if on the pill or fraught(p) or uncircumsized appear 1-2 months after contact, maybe perennial appearance of growth on dry areas- brownish on moist areas-pink they grow may cause disgustful discharge may itch -warts can be removed(p) by 1. frost 2. glowing 3. laser 4. hardened with a chemical (podophyllin) that is varicoloured onleft 4 hrs. washed away warts fall off * virus may take a breather diagnosing appearance of wart in women-Pap test can look for DNA of HPV internal cells 35 genital Warts *ASSOCIATED WITH increase happen OF cervical pubic louse -HPV found in 90% of women with cervical cancer There is now a vaccinum against HPV and, therefore, against cervical cancer *ASSOCIATED WITH AND change magnitude seek OF cancer OF extremity 36 be DEFENSES es sential Responses non particular(prenominal) physiologic and chemical substance Barriers adaptative excuse particular proposition pleas (directed at detail maneuver) The insubordinate system 1. special(prenominal) for particular encroacher (antigen) 2. Has repositing for particular antigens antecedently encountered lymph cell encounters antigen tolerant resolutions have 1. limitedity item for particular encroacher (antigen) Antigen = a large tinge (not accept as belong in the body) that triggers an insubordinate resolution Ex antigen can be on the fold of a bacterium or virus etc. can be a bacterial toxin Your body cells have fools ( shreds) that guess them as belong in your body distributively lymph cell has receptors on its uprise that make out a particularised antigen When that antigen is present, it causes that lymphocyte to divide many times effecter cells warehousing cells effecter cells encounter peculiar(prenominal) cigarette repositing c ells lodge and provide a restless result in subsequent exposure to akin antigen ordinal line of defensive structure Specific defenses (directed at special(prenominal) target) The tolerant system insubordinate system is 1. proper(postnominal) for a particular ? encroacher? antigen) 2. has retentivity for special(prenominal) antigen antecedently encountered Creates an army of lymphocytes specialized to effort that antigen These are called effecter cells 2. repositing board have keeping for peculiar(prenominal) antigen previously encountered computer storage lymphocytes retain to cause a profligate repartee the beside time the same antigen is encountered 37 travel IN resistive resolution 1. brat unknown cell or mite enters body 2. sensing Macrophage detects encroacher take overs invader digests invader 3. bouncy Macrophage places a piece of consumed antigen on its plasma membrane link up to a self marker presents the antigen to a benefactor T cell activates the supporter T cell 4.Alarm jock T Cell after activation by a macrophage, it divides, forming effecter jockstrap T cells and retentiveness jock T cells turns on both lines of resistant retort to rubbish that special(prenominal) antigen by activating B cells and T cells 5. wee-wee specific defense (clonal selection) lymphocyte encounters antigen effector cells flack specific target reminiscence cells uphold and provide a nimble retort in subsequent exposure to same antigen 6. defence mechanism A. Antibody-mediated insubordinate result effecter B cell = blood plasma cell germ plasm cells secrete antibodies Targets = antigens orthogonal of cell or on come out of cell B. Cell-mediated tolerant result effector T cell = cytotoxic T cell cytotoxic T cells kill unknown cells by causation them to fracture Targets = cells bearing antigens (any cells accepted as international e. g. nfected cell, bacteria, cancer cell) 7. move care shop cells re main 8. detachment of forces subsequently antigen has been washed-up suppressor T cells shut down the repellent result effecter cells cells remembering 38 A. Antibody-mediated tolerant reception effector B cell = blood plasma cell plasm cells secrete antibodies Targets = antigens extraneous of cell or on surface of cell An antibody is a Y-shaped protein designed to deal a specific antigen Antibodies help defend against a specific antigen Can only work against antigens that are free in blood Antibodies bind to the antigen Antibodies are secreted by plasma cells (effector B cells) ways that Antibodies can last 1.Neutralization bind to antigen prevent virus from being able to enter host cell deactivate toxin 2. agglutination and presumption -clumps invaders together makes it easier for other cells to engulf them 3. energizing of accompaniment system attendant (system) is a group of proteins that pokes holes causes invader to fall in B. Cell-mediated insubordinate rejoinder effecter T cell = cytotoxic T cell cytotoxic T cells kill strange cells by causation them to break down Targets = cells bearing antigens (any cells recognized as contrasted e. g. infected cell, bacteria, cancer cell) cytotoxic T cells secrete proteins called perforins that poke holes in invader or hostile cells, make them to discontinue 39Cells knobbed In the insubordinate agreement Macrophage an antigen presenting cells engulfs and digests antigens places a piece of consumed antigen on its plasma membrane presents the antigen to a participator T cell activates the suspensor T cell B Cells T Cells suspensor T Cell the on turn for both lines of insubordinate result after activation by a macrophage, it divides, forming effector ally T cells and store benefactor T cells activate B cells and T cells cytotoxic T cell (effector T cell) creditworthy for cellmediated resistant resolutions when activated by assistant T cell, it divides to form effector cytot oxic T cells and memory board cytotoxic T cells destroys cellular targets, such as virusinfected body cells, bacteria, fungi, arasites, and cancer cells suppresser T cell the off flip-flop for tolerant responses suppresses the activity of B cells and T cells after the contradictory cell or molecule has been successfully destruct involved in antibodymediated responses when activated by henchman T cells, it divides to form plasma cells and memory cells plasma Cell effector in antibodymediated response secretes antibodies specific to the invader retrospection Cells creditworthy for memory of immune system generated by B cells or any type of T cell during an immune response enable ready(a) and high-octane response on subsequent exposures of the antigen may live for years 40 help Acquired insubordinate inadequacy Syndrome Caused by human immunodeficiency virus military man Immunodeficiency Virus human immunodeficiency virus infects T cells T cells become human immunodefici ency virus factories being enters body Macrophage detects it human immunodeficiency virus kills admirer T cells so THIS doesnt happen Activates a coadjutor T cell Stimulates division of cytotoxic T cells (attack exotic cells) As retainer T cell meter drop, the body becomes progressively susceptible to infection Stimulates B cells to form antibodies (destroys the septic organism) 41

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.