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Wysłany: Czw 2:49, 03 Mar 2011 Temat postu: 育龄期输卵 |
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育龄期输卵管粘膜上皮细胞超微结构的周期性变化
hetube.Theepitheliumconsistedoftwo3chieftypesofcells,theseeelrt~-ryceltsandcil[iatedcells.Duringtheproliferativestage,thesecretorycellsfromlowbe-cametat1,andtheorganellesincreased,Aroundthetimeofovulation,thesurfaeeofthesecretoryceilsprojectedintothelumen,agreatnumhersofmitoehodria,ribosomes,glycogengranulesweredectedJncytop[asm,andtheGo[gicomplexandendoplasmiereticulumenlarged,whiletheel~tmndenseandhomogenoussec~.torygranulesappearedonsupranu‘clearregion.Duringthesecretorystage,thecytoplasmandorganeHe~reduced,lysosomebodiesandtheelectrondensityofthecytoplasmincreased.ThecyclechangesofeilliatedcellswerenotsoconspicuousassecretoryceHs.Duringthepreovu[aroryandpos-tovulatorystage,cilliatedcellswererichinorganeUs,butintheearlyproliferativestageandlatesecretorystage,theorganellsdecreased,withinerenseingoflysosomebodies.Thechangesduringmenstrualcycleofsecretoryceilsandci[1iatedcellsweresimilarineverypartsofthefallopiantube,whilegreatstructuraldiversitywasobservedinthesecretorycells.Severalinterestingphenomenaintheci[1iatedcellscouldbeseen.a.Thecyto‘p[asmprojectedintolumen,whichcontainedoneormorecillia.b.Thestructureofmicro-tublesoftheeilliahadbeendestroyed.c.Somecellsprojcotedintolumeninwhichthebasalbodycouldbedeeted,d.Themembraneofcilliahadsmallball—likeprojection.Thesemaybethemannersofdecilliation.图见42页囤版说明图1.增殖晚期,分泌细胞阿质罔高度扩张(十),分泌颗粒均质,电子密度太。(漏斗部,x10000)图2.纤毛细胞胞浆呈指状突趁,内舍步量纤毛。(漏斗部,×8000)图3.纤毛质膜呈小球样突起(t)。(漏斗部,×30000)匿4.图中见一细胞高度突出.表面微绒毛稀步,可见纤毛基体(}),细胞器较步,棱浆战例增(壶腹部,X4000)24
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