【医】 purpurogenous membranes
aperture; eye; key point; look; small hole
【医】 eye; oculi; oculo-; oculus; ophthalm-; ophthalmo-; ophthalmos
ophthalmus
【医】 pigmentary epithelium
layer; region; stage; story; stratum; tier
【计】 layer
【医】 coat; lamella; lamellae; lamina; laminae; layer; strata; stratum