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II LIGA
Dołączył: 21 Lut 2011
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Skąd: England
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 Wysłany: Czw 2:49, 03 Mar 2011 |
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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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