眼---英-组织学和胚胎学.ppt

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1、TheeyeLayersoftheeyecorneoscleralcoat:fibrouslayer,includethesclera,thewhiteportion,andthecornea,thetransparentportion.vascularcoat:includethechoroid,thestromaoftheciliarybodyandiris.retina:theinnerlayer,includeanouterpigmentepi.Theinnerneuralretina,andtheepi.Oftheciliaryb

2、odyandiris.eyeballpupillensirisCiliarybodyOpticnervemaculacorneascleraretinachoroidcorneaCornealepi.:nonkeratinizedstratifiedsquamousepi.,5-6layersofcells.Bowman’smembrane：anteriorbasementmembrane,ahomogeneous-appearinglayeronwhichthecornealepi.rests.Cornealstroma:composed

3、ofthinlamellaeeachlamellaconsistsofparallelbundlesofcollagenfibrils.Nobloodorlymphaticvessels.descemet’smembrane：posteriorbasementmembrane,isthebasallaminaofcornealendothelialcells.Separatesthecornealendotheliumfromtheadjacentcornealstroma.Cornealendothelium：asinglelayerof

4、squamouscellscoveringthesurfaceofthecorneathatfacestheanteriorchamber.Providesformetabolicexchangebetweenthecorneaandaqueoushumor.CormealepitheliumAnteriorbasementmembraneCornealstromaPosteriorbasementmembraneCornealendotheliumscleraIsanopaquelayerthatconsistspredominantly

5、ofdenseCT.Thecorneosclerallimbus:isthetransitionalzonebetweenthecorneaandsclera.Anabrupttransitionfromtheavascularcorneatothewell-vascularizedscleraoccurshere.Scleravenoussinus:intheirisocornealanglecontainstheapparatusfortheoutflowofaqueoushumorwhichisproducedbytheciliary

6、processes.scleraAnteriorchamberScleralvenoussinusTrabecularmeshworkirisanteriorlayer：adiscontinuouslayeroffibroblastsandmelanocyte.stroma：LCT,highlyvascularizedandwithabundantpigmentedcells.constrictorpupillaemuscle.epi.:anterior-myoepithelium,dilatorpupillaemuscle.posteri

7、or-pigmentepithelialcells.Pupillocateinthecenter.Anteriorchamber：betweentheirisandthecornea.Posteriorchamber：betweentheirisandvitreousbody.iris前房PosteriorchamberConstrictorPupillaeMAnteriorchamberCiliarybodyIsthethickenedanteriorportionofthevascularcoatandislocatedbetweent

8、heirisandchoroid.CiliarymuscleThestromaEpitheliallayerCiliaryprocesslensretinaRepresentth