Low levels of cholesterol and glycosaminoglycanswith the presonce of colkcium providing anenvironment for ocrosonal activationOVARYOVIDUCTStorageof spermin isthmus0hcubation of sperm with seminalplasma replaces surface coatingDECAPACITATIONVAGINAUTERUSCERVIXRCAPACITATION39Removal of cholesterol,EJACULATED SPERMglycosaminoglycans and other8908980Containing high levels ofconstituents from coll surfoceCERVICAL MUCUScholesterol, glycosaminoglycansRemoval of seminal plasmaond other seminal plasmaUTERINE SECRETIONSand immotile spermconstituentsUnder estrogen dominance-aids in removal of cell surfocecomponents精子运行示意图
精子运行示意图
OVARIANSTEROIDSUTERO-CERVICAICERVIXCONTRACTILITYAnatomyCoital stimuliPhysiopathologyPharmacologicalResponses to hormonesagentsinsemenHormonesVAGINAVaginal secretions1CERVICO-VAGINALINFECTIONSSEMEN DEPOSITIONSPERMATOZOACERVICAL MUCUSConcentrationQuantityMorphologyBiophysical characteristicsMotilityEnzymesEnzymesImmunologicinteractions?精子通过子宫颈示意图
精子通过子宫颈示意图
.GnRHFSH,LH下：精子与子宫颈上皮细胞的相对大小上：精子通过子宫颈进入子宫诸因素精子通过子宫颈进入子宫示意图ovaryestroqer,agglutinatiorspermprogesteronecervicalspermspermphagocytosismucusacrosomalenzymesenzymessperm strands inendometrial fluidsmocromoleculesofcervical mucus美美灵2spermoggregatessemenpooicontractilein cervical cryptsmyometriumspermaggregates inendometrial glands60O08m
下：精子与子宫颈上皮细胞的相对大小 上：精子通过子宫颈进入子宫诸因素 精子通过子宫颈进入子宫示意图
B精子在子宫颈中运输扫描电镜像片左：精子在子宫颈上皮细胞上的排列图右：精子与子宫颈上皮细胞的相对大小
精子在子宫颈中运输扫描电镜像片 左：精子在子宫颈上皮细胞上的排列图 右：精子与子宫颈上皮细胞的相对大小
endometrial giands(reservoirI)(barrier)cervicalmucus(filtration)(selection)n(barrier1)scervical cryptsuterotubal junction(reservoirI)(barrierⅢ)site ofisthmusejaculationsiteoffertilization(reservoirII)(semenpool)ofegg精子库和精子栅栏示意图
精子库和精子栅栏示意图