Reproductive System(生殖系统)课件

ReproductivesystemComposition

InternalgenitalorganGonads(sexglands)－manufacturethesexcellsandsecretethesexhormones.Genitalducts–transportthesexcellsfromthesiteofproductionintositefertilizationAccessoryglands－secretethefluidExternalgenitalorganTheMaleReproductiveSystem

男性生殖系统internalgenitalorgans内生殖器(一)Gonad–testis

睾丸Paired,ovoidorgans,Locatedinscrotum1.ShapeSuperiorextremityInferiorextremityAnteriorborferPosteriorborderMedialsurfaceLateralsurface1.ShapeofthetestesSuperiorextremityinferiorextremityAnteriorborderposteriorborder

tunicaalbuginea白膜,

mediastinumtestissendsnumerousfibrousseptulesintothegland,dividingitinto100～200testicularlobules睾丸小叶

thatcontain2～4contortedseminiferoustubules精曲小管→straightseminiferous

tubules精直小管→retetestis睾丸网(一)testis睾丸2.Structurecontortedseminiferoustubulesstraightseminiferous

tubulesretetestis(二)Genitalducts生殖管道

1.Epididymis附睾Shape：Comma-shaped,

headofepididymis附睾头

bodyofepididymis附睾体

tailofepididymis附睾尾

Position：LocatedonsuperiorextremityandposteriorborderoftestisFunction–thesiteofaccumulationandstorageofspermStructure:Containstortuouscanalthatextendsfromtestistoductusdeferensinspermaticcord2.Ductusdeferens

输精管Spermaticpart精索部

－extendsformsuperiorextremityoftestistothesuperficialinguinalring,-----wherethevasectomyisperformedInguinalpart

腹股沟部－extendsformsuperficialtodeepinguinalringsSpermaticcord

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Extendsfromthesuperiorextremityoftestistothedeepinguinalringspermaticcordcomprise:DuctusdeferensTesticulararteryPampiniformplexusofvein蔓状静脉丛

NervesandlymphaticvesselsVestigeofvaginaprocess腹膜鞘突的残余鞘韧带腹膜鞘突睾丸下降精索睾丸鞘突睾丸引带隐睾交通性鞘膜积液先天性腹股沟斜疝Spermaticcord

精索Thesestructuresareenclosedby3layersoftunicinternalspermaticfascia精索内筋膜,

cremaster提睾肌

externalspermaticfascia精索外筋膜,

3.Ejaculatoryduct

射精管Formedbyunionofdistalportionductusdeferensandexcretoryductofseminalvesicle精囊Passesthroughtheupperpartofprostateandopensintotheprostaticpartofurethra尿道前列腺部ejaculatoryduct2.Prostate

前列腺

positionLiesbehindpubicsymphysis,betweenneckofbladderandurogenitaldiaphragm尿生殖膈ShapeChestnut-shapedorgan

BaseofprostateApexofprostateBodyofpeostateAnteriorsurfacesPosteriorsurfaces－prostaticsulcus

前列腺沟peostateContainsoffivelobesAnteriorlobeMiddlelobePosteriorlobeRightandleftlobes2.Prostate前列腺

Capsuleofprostate前列腺囊

Sheathofprostate前列腺鞘

formedbypelvicfascia3.Bulbourethralgland

尿道球腺－twosmallpea-shapedglands,locatedinthedeeptransversemuscleofperineum,opensintobulbofurethra尿道球部bulbourethralglandExternalgenitalorgans

外生殖器(一)Scrotum

阴囊PouchofthinskinlyingbelowtherootofthepenisDividedintotwohavesbyseptumofscrotum,containstestesandepididymisAponeurosisofobliquusexternusabdominisObliquusinternusabdominisTrasversusabdominisTransversfasciaParietalperitoneumExternalspermaticfascia精索外筋膜Cremastter提睾肌Internalspermaticfascia精索内筋膜Tunicavaginalisoftestis睾丸鞘膜ParietallayerViscerallayer

VaginalcavityThecoveringsoftestisandspermaticcord(二)Penis

阴茎

division:root阴茎根

body阴茎体

glanspenis

阴茎头Consistsof

Cavernousbodyofpenis

阴茎海绵体:2

Cavernousbodyofurethra

尿道海绵体:1(二)Penis阴茎

Skin－thinandloosePrepuceofpenis

阴茎包皮Frenulumofprepuce

包皮系带Posteriorurethra后尿道

prostaticpartmembranouspartAnteriorurethra

前尿道–

cavernouspart(三)

Maleurethra

男性尿道ThreeconstrictionsinternalurethralorificemembranouspartexternalorificeofurethraThreeenlargedpartsAtprostaticpartAtbulbofurethraAtnavicularfossaofurethra(三)

Maleurethra

男性尿道TwocurvaturesSubpubiccurvature耻骨下弯－concaveupwardPrepubiccurvature

耻骨前弯－concavedownward(三)

Maleurethra

男性尿道Withinprostaticpart

Urethralridge

尿道嵴

Seminalcolliculus精阜Prostaticutricle前列腺小囊

orificesoftheejaculatoryducts(三)

Maleurethra

男性尿道catheterizationTheFemaleGenitalOrgans

女性生殖器TheFemaleGenitalOrgansComposion:Internalgenitalorgans内生殖器

Ovaries卵巢

ConveyingductsExternalgenitalorgans外生殖器Uterinetubes输卵管Uterus子宫Vagina阴道Position－liesintheovarianfossaintheanglebetweentheinternalandexternaliliacvesselsonthelateralpelvicwall.Ovary卵巢Shape－anovoidorganSuperiorpoleInferiorpoleAnteriorborderMesovarianborder系膜缘

Hilumofovary

卵巢门Ⅰ.internalgenitalorgans内生殖器SupportingstructuresSuspensoryligamentofovary卵巢悬韧带Properligamentofovary卵巢固有韧带Function:Produceova卵子

secreteestrogens雌激素Posteriorborder－freeborderTwosurfaces－medialandlateralinternalgenitalorgansFemaleReproductiveCycleinternalgenitalorgansUterinetube输卵管

GeneralfeaturesAbout10cmlongLocatedintheupperedgeofbroadligamentofuterusinternalgenitalorgansFourpartsInfundibulumofuterinetube

输卵管漏斗Fimbriaeofuterinetube

输卵管伞ovarianfimbria

卵巢伞Ampullaofuterinetube

输卵管壶腹－relativelywide,tortuous,longstpart,wherethefertilizationoftheovumtakesplaceinternalgenitalorgansIsthmusofuterinetube

输卵管峡

－straightandnarrowportion,istheplacewherethetuballigationisperformedUterinepart

子宫部

－,piercesuterinewallandopensintocavityofuterusbyuterineorificeofuterinetube输卵管子宫口internalgenitalorgansextrauterinepregnancyEmbryobreakthroughuterinetube,bleedlotUterus子宫Generalfeatures－muscularpear-shapedorganThreepartsFundusofuterus子宫底Bodyofuterus子宫体Neckofuterus子宫颈Vaginalpartsofcervix子宫颈阴道部

Supravaginalpartsofcervix子宫颈阴道上部internalgenitalorgansUterus子宫Isthmusofuterus子宫峡

－shortconstrictedpart,betweenthebodyandtheneckofuterus(caesareanbirth)internalgenitalorgansAvoidenteringperitonealcavityandreducethechanceofinfection.InteriorcavityCavityofuterus子宫腔－thecavityofbodyofuterus,istriangularincoronalsectionCanalofcervixofuterus子宫颈管－thecavityoftheneck,opensintothevaginaattheorificeofuterus

子宫口Uterus子宫internalgenitalorgansPosition

Liesinthecenterofthepelviccatity,betweenbladderandrectum；usuallyitisanteversion前倾anteflexion前屈Uterus子宫internalgenitalorgansAnteversion前倾－axisofuterusmeetwiththatofvaginaatabout90o;Uterus子宫PositionAnteflexion前屈－axisofbodyofuterusisbentforwardtoformanangleofabout170o

ernalgenitalorgansSupportsofuterus

PelvicdiaphragmLigamentsBroadligamentofuterus子宫阔韧带Roundligamentofuterus子宫圆韧带Cardinalligamentofuterus子宫主韧带Uterosacralligamentofuterus骶子宫韧带internalgenitalorgansBroadligamentofuterus

子宫阔韧带Mesosalpinxfortheuterinetubes输卵管系膜Mesometriumfortheovary卵巢系膜Mesovarium子宫系膜internalgenitalorgansRoundligamentofuterus子宫圆韧带maintaininanteversionpositionofuterusCardinalligamentofuterus子宫主韧带－conferlateralstabilitytocervicalregionsupportthepositionoftheuterustopreventfromdroppingdownintothevaginaUterosacralligamentofuterus骶子宫韧带maintainbodyofuterusinanteflexedpositionVagina阴道Flattenedfibromusculartube,about8～9cmlongExtendsupwardandbackwardfromvestibuletouterusFornixofvagina阴道穹FormedbetweencervixandwallsofvaginaPosteriorfornixLateralpartsAernalgenitalorgansAccessorygland

附属腺体Greatvestibulargland

前庭大腺OneithersideofvaginalorificeOpenonbothsidesoforificeofvaginainternalgenitalorgansⅡ.Externalgenitalorgans外生殖器Monspubis

阴阜Greaterlipsofpudendum

大阴唇Lesserlipsofpudendum

小阴唇Vaginalvestibule

阴道前庭Clitoris

阴蒂Bulbofvestibule前庭球Ⅲ.Themammae乳房PositionLieinsuperficialfasciaoverthepectoralsmajorandpectoralfasciaExtendfrom3rdto7thribsvertically,andfromparasternallinetomidaxillarylinetransversallyShape:intheyoungadultfemale(nullipara)themammaformsaroundeminence.Themammarynipple乳头isonthecenterofthe