FemaleReproductiveSystem
Female Reproductive System
ComponentsandFunction:FertilizationUterinetubeFundusofuterusOvarian ligamentOvariesOviductsOvaryOvumMyometriumUterusFimbriaeCorpus luteumBroadligamentCervix*VaginaCervicalextemalosVagina-ExternalvaginalosExternalgenitaPhase:childhood→puberty→sexualmaturityclimacteric(menarche)(menopause)+senescence
Components and Function: Ovaries Oviducts Uterus Vagina External genitalia Phase: childhood→ puberty →sexual maturity→climacteric (menarche) (menopause) →senescence
1.OvaryI . General structure:TunicaMesovariumandGranuiosaSecondarygerminal epiOocytealbugineacellsfolliclebloodvesselsCortexPrimaryDegeneratingfolliciescorpus luteum(corpus aibicans)tunica albugineaVesicular (Graafian)Germinalfollicleepitheliumthe cortexPrimordialAntrumfolliclesOocyterovarianfolliclesZonapelucidacorpus luteum.OvarianligamentThecafolliculiCorpusCluteumstromaOvulatedoocyteCoronamedullaradiataMedullaDeveloping(a)corpus luteum
1. Ovary Ⅰ. General structure: germinal epi tunica albuginea the cortex medulla ovarian follicles corpus luteum. stroma
II.Developmentand maturation of ovarianfolliclesovarianfollicle= oocyte+follicularcells4developmentalstages:PrimaryPrimordialfolliclesOocytefolliclesSecondaryfolliclePrimordialfolliclesOvarianligamentPrimary folliclesSecondaryfolliclesDegeneratingcorpus luteum(corpusalbicans)maturefolliclesCorpusluteumCorona radiataDevelopingcorpusluteumOvulatedovum
Ⅱ. Development and maturation of ovarian follicles Primordial follicles ovarian follicle = oocyte + follicular cells 4 developmental stages: Primary follicles Secondary follicles mature follicles
Stopatprophaseof MeiosisImitosisOogoniabefore birth primary oocyte 1TunicaA.PrimordialFollicleGerminativealbugineaepitheliumaprimary o0ocyte (D=25um)+asinglelayerofOvarianflattenedfollicularcellsstromaPrimordialfolliclesFollicularcellsOocyteCytoplasmNucleus
A. Primordial Follicle before birth Oogonia primary oocyte // Stop at prophase of MeiosisⅠ a primary oocyte (D=25um) + a single layer of flattened follicular cells mitosis