眼英组织学和胚胎学

Layersoftheeyecorneoscleralcoat:fibrouslayer,includethesclera,thewhiteportion,andthecornea,thetransparentportion.vascularcoat:includethechoroid,thestromaoftheciliarybodyandiris.retina:theinnerlayer,includeanouterpigmentepi.Theinnerneuralretina,andtheepi.Oftheciliarybodyandiris.第1页/共23页第一页，共24页。eyeballpupillensirisCiliarybodyOpticnervemaculacorneascleraretinachoroid第2页/共23页第二页，共24页。corneaCornealepi.:nonkeratinizedstratifiedsquamousepi.,5-6layersofcells.Bowman’smembrane：anteriorbasementmembrane,ahomogeneous-appearinglayeronwhichthecornealepi.rests.Cornealstroma:composedofthinlamellaeeachlamellaconsistsofparallelbundlesofcollagenfibrils.Nobloodorlymphaticvessels.descemet’smembrane：posteriorbasementmembrane,isthebasallaminaofcornealendothelialcells.Separatesthecornealendotheliumfromtheadjacentcornealstroma.Cornealendothelium：asinglelayerofsquamouscellscoveringthesurfaceofthecorneathatfacestheanteriorchamber.Providesformetabolicexchangebetweenthecorneaandaqueoushumor.第3页/共23页第三页，共24页。CormealepitheliumAnteriorbasementmembraneCornealstromaPosteriorbasementmembraneCornealendothelium第4页/共23页第四页，共24页。scleraIsanopaquelayerthatconsistspredominantlyofdenseCT.Thecorneosclerallimbus:isthetransitionalzonebetweenthecorneaandsclera.Anabrupttransitionfromtheavascularcorneatothewell-vascularizedscleraoccurshere.Scleravenoussinus:intheirisocornealanglecontainstheapparatusfortheoutflowofaqueoushumorwhichisproducedbytheciliaryprocesses.第5页/共23页第五页，共24页。sclera第6页/共23页第六页，共24页。AnteriorchamberScleralvenoussinusTrabecularmeshwork第7页/共23页第七页，共24页。

iris

anteriorlayer：adiscontinuouslayeroffibroblastsandmelanocyte.stroma：LCT,highlyvascularizedandwithabundantpigmentedcells.constrictorpupillaemuscle.epi.:anterior-myoepithelium,dilatorpupillaemuscle.

posterior-pigmentepithelialcells.Pupillocateinthecenter.Anteriorchamber：betweentheirisandthecornea.Posteriorchamber：betweentheirisandvitreousbody.

第8页/共23页第八页，共24页。iris前房PosteriorchamberConstrictorPupillaeMAnteriorchamber第9页/共23页第九页，共24页。CiliarybodyIsthethickenedanteriorportionofthevascularcoatandislocatedbetweentheirisandchoroid.

CiliarymuscleThestromaEpitheliallayer第10页/共23页第十页，共24页。Ciliaryprocesslens第11页/共23页第十一页，共24页。retinaRepresenttheinnermostlayeroftheeyeNeuralretina:innerlayerthatcontainsphotoreceptors.RPE,theouterlayerthatrestsonandattachedtothechoroid.第12页/共23页第十二页，共24页。NeuralretinaNonvisualpart,Opticpart.

Opticpapilla:wheretheopticnervejoinstheretina.Isdevoidofphotoreceptors.Ablindspotinthevisualfield.Foveacentralis:ashallowdepressionlocatedlateraltotheopticpapilla.Istheareaofgreatestvisualacuity.Maculalutea:ayellow-pigmentedzonesurroundsthefovea.第13页/共23页第十三页，共24页。

pigmentepi.GanglionCBipolarCConeCRodC第14页/共23页第十四页，共24页。sclerachoroidPigmentedEpi.GanglionC

retina第15页/共23页第十五页，共24页。NucleiofvisuslCExternalprocessesPigmentedepi.Visualcell（HE）第16页/共23页第十六页，共24页。Maculalutea&foveacentralis第17页/共23页第十七页，共24页。Opticpapilla第18页/共23页第十八页，共24页。LenscapsuleEpi.LensfiberCrystallinelens第19页/共23页第十九页，共24页。CrystallinelensIsatransparent,avascular,biconvexstructure.Thecomponentsofthelens:lenscapsule,athickbasallaminasubcapsularepi.,acuboidallayerofcells.ontheanteriorfaceofthelenslensfibers,derivedfromsubcapsularepi.第20页/共23页第二十页，共24页。VitreousbodyVitreousbody第21页/共23页第二十一页，共24页。VitreousbodyIsthetransparentjelly-likesubstancethatfillthevitreouschamberintheposteriorsegmentoftheeye.第22页/共23页