EYE DISSECTION

aqueous humor

peach tan color

clear fluid

help maintain shape eyeball

blind spot

orange

receptor cell coverage to form optic nerve

choroid

bright-orange red

thin, darker sheet of tissue

cones

receptor cells

perceiving color

cornea

dark blue

transparent, cloudy

allow light enter eye

hyaloid fossa

green

indention in center of vitreous body support lens

iris

purple

regulate size of pupil

lens

bright blue

biconvex transparent

focus light coming through cornea and pupil

optic nerve

blue

bundle of nerve cells that send signals from the eye to the brain

pupil

bright green

opening through which light enters the eye

retina

red-pink

light-sensitive

composed of receptor cells called cones and rods

rods

perceiving difference in light intensity

sclera

pink

outer covering of the eyeball; a tough, opaque sheet of connective tissue that protects inner

tapetum

Iridescent portion of the choroid tissue

Vitreous body

cavity between retina nd back of lens

vitreous humor

dark purple

viscous fluid that fills the vitreous body

helps maintain the shape of the eyeball.

Zonula ciliaris

maroon color

suspend the lens and stretch it to focus vision

anterior view

sagittal view