比較人體形態(tài)學(xué)教學(xué)課件：14 male reproductive system.ppt

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1、MalereproductivesystemTestisandepididymistestisepididymisTunicaalbugineaMediastinumtestistestisepididymisTunicaalbugineaMediastinumtestisSeminiferoustubuleRetetestisinthemediastinumtestisSeminiferoustubuleBoundarytissue:tunicaofCT+basementmembraneComplexspermatogenicep

2、i.SpermatogoniumPrimaryspermatocytesSecondaryspermatocytesSpermatidsspermatozoonsSustentacularcells(Sertolicells)CytoplasmisbarelyvisibleTriangularnucleusSeminiferoustubules①Spermatogonium②Primaryspermatocytes③Secondaryspermatocytes④Spermatids⑤spermatozoons⑥Sertolicell

3、sInterstitialcells(Leydigcells)LocatedbetwtubulesOfteningroupsLargeinbodyandeosinophilicincytoplasmTubulirectiSeminiferoustubuleMediastinumtestisRetetestisTubulirecti(straighttubule)SeminiferoustubuleRetetestisinthemediastinumtestisNetworkofirregularlyshapedtubulesEpid

4、idymisDuctuleefferentsDuctusepididymisDuctuleefferentsDuctusepididymisDuctuleefferentsCiliatedcuboidalorcolumnarcellsScallopedoutlineDuctusepididymisPseudostratifiedcolumnarepi.Long,irregularmicrovilli----stereocilia前列腺結(jié)構(gòu)：有結(jié)締組織被膜包裹。實(shí)質(zhì)內(nèi)可見(jiàn)許多腺泡。1腺泡上皮形態(tài)不一，可呈單層立方，單層柱狀和假?gòu)?fù)層柱狀

5、。由許多皺襞突向管腔，故管腔形態(tài)不規(guī)則。2腺腔內(nèi)可見(jiàn)有前列腺凝固體。3腺泡之間有豐富的結(jié)締組織和平滑肌THEEND!