Sheep Eye Dissection

Identify the structure labeled #3.

• scelera

• optic nerve

• optic tract

• cornea

Identify the structure labeled #10.

• tapetum lucidum

• vitreous humor

• choroid

• retina

Identify the structure labeled #12.

• ciliary body

• aqueous humor

• lens

• vitreous humor

What is the white part of the eye called?

• cornea

• choroid

• scelera

• iris

Identify the structure that consists of muscles, which control and shape the lens.

• #5

• #6

• #7

• #12

Identify the opening of the iris through which light passes.

• #4

• #5

• #6

• #7

A clear flexible structure that makes an image on the eye’s retina. The _____ is flexible so that it can change shape, focusing on objects that are close up and objects that are far away.

• iris

• lens

• myelin

• optic nerve

The layer of light-sensitive cells at the back of the eye. The _________ detects images focused by the cornea and the lens. The __________ is connected to the brain by the optic nerve.

• pupil

• retina

• rods

• sclera

Tags

NGSS.MS-LS1-3

The colorful, shiny material located behind the retina. Found in animals with good night vision, the ________ reflects light back through the retina.

• tapetum

• vitreous humor

The thick clear jelly that helps give the eyeball its shape

• tapetum

• vitreous humor