University:
Eastern Kentucky University
Course:
BIO 101 | Essentials of Biology
Academic year:

2022
Views:

451

Pages:

2
Author:

sapela015a

Sheep Eye Dissection External Structures Structure Sclera Cornea Muscle Description/Location White of the eye Transparent when living, opaque in preserved, covers the pupil Strips on pinkish tissue, might be hidden by fat tissue (4 in sheep, 6 in human) Nubbin in the back of the eye Optic Nerve Back of the eye Structure Description/Location Retina Creamy white film on the back of the eye Tapetum Lucidum Shiny, colorful part of the back of the eye Choroid Black part of the back of the eye Front of the eye Structure Vitreous Humor Lens Ciliary Body Smooth Pupil Description/Location Jelly where lens was embedded Hard ball embedded in the vitreous humor Striated part of the black flap smooth part of the black flap Hole in the black flap Function Contains photoreceptors Reflects light (night vision) Absorbs light, prevents uncontrolled light reflectance Function Shock absorption Focuses light onto the retina changes shape of the lens Change size of pupil Lets light in Human Physiology Notes: