Vascular tunic of eyeball(middle ■Iris虹膜 a Thin contractile membrane anterior to ciliary body, with a central opening the pupil瞳孔 o Contains sphincter pupillae瞳孔括约肌( circular fibers) and dilator pupillae 瞳孔开大肌( radial fibers) o Cornea and iris meet to form the iridocorneal angle虹膜角膜角
Vascular tunic of eyeball (middle) ◼ Iris 虹膜 ❑ Thin contractile membrane anterior to ciliary body, with a central opening, the pupil 瞳孔 ❑ Contains sphincter pupillae 瞳孔括约肌(circular fibers) and dilator pupillae 瞳孔开大肌(radial fibers) ❑ Cornea and iris meet to form the iridocorneal angle 虹膜角膜角
Cilliary body睫状体 a body a ring-shaped thickening anterior to equator, containing smooth muscle fibers called ciliary muscle BtE 状肌 nA tanet a Ciliary processes睫状突 aserⅰ es of some60~80 projections producing aqueous humor a Ciliary ring睫状环
◼ Cilliary body 睫状体 ❑ Body a ring-shaped thickening anterior to equator, containing smooth muscle fibers called ciliary muscle 睫 状肌 ❑ Ciliary processes 睫状突: a series of some 60~80 projections producing aqueous humor ❑ Ciliary ring 睫状环
Sinus venosus sclerae Ciliary Muscle Sridocornealangle Dilator pupillae Sphincter pupillae ens ciliary zonule Ciliary Processes Ciliary ring
Ciliary Processes Sphincter Pupillae Dilator Pupillae Sinus venosus sclerae ciliary zonule Ciliary ring Ciliary Muscle Iridocorneal angle Lens
Choroid脉络膜 a Thin, highly vascular in posterior 2 /3 of eye Contains brown pigmented cells and dense capillary pleXus
◼ Choroid 脉络膜 ❑ Thin, highly vascular in posterior 2/3 of eye ❑ Contains brown pigmented cells and dense capillary plexus
Retina视网膜 Pars caeca retinae视网膜盲部 a Pars iridica retinae视网膜虹膜部 a Pars ciliaris retinae视网膜睫状体部 Pars optica retinae视网膜视部 口 Lines the choroids o Composed of two layers An outer pigment cell layer Inner neural layer(four layers)
Retina 视网膜 ◼ Pars caeca retinae视网膜盲部 ❑ Pars iridica retinae 视网膜虹膜部 ❑ Pars ciliaris retinae 视网膜睫状体部 ◼ Pars optica retinae视网膜视部 ❑ Lines the choroids ❑ Composed of two layers ◼ An outer pigment cell layer ◼ Inner neural layer (four layers)