Cow Eye Anatomy

Question 1

ID the structure indicated by 1

Answer 1

Cornea.
It appears cloudy in preserved specimens.
First portion of the eye to receive light

Question 2

ID the structure indicated by the pointer.

Answer 2

Periorbital fat

Question 3

ID the structure indicated by 2

Answer 3

Sclera. White of the eye adds shape of the eye and protection of internal structures

Question 4

Function of Aqueous humor.

Answer 4

Helps maintain the shape of the eye

Question 5

Function of vitreous humor

Answer 5

Helps maintain the position of the retina

Question 6

ID the structure indicated by b

Answer 6

Retina.
Contains photoreceptors

Question 7

ID the structure indicated by 1.

Answer 7

Optic disc.( blind spot)

Axons of the nerves pass through. Light can’t be detected there.

Question 8

ID the structure indicated by the pointer & function

Answer 8

Tapetum lucidum.
Found in nocturnal animals. reflect additional light to strike the retina

Helps them see at night

Question 9

ID the structure indicated by 8

Answer 9

Choroid.
Vascular, extra light gets absorb so we won’t have blurry vision

Question 10

ID the structural indicated by 2 & function

Answer 10

Lens.
The shape of lens determines where light will be focused on the retina

Question 11

ID the structure indicated by the white box.

Answer 11

Ciliary body.
Control the tension of suspensory ligaments

Question 12

ID the structure indicated by the box & function

Answer 12

Ciliary body.
Controls the the tension Of suspensory ligaments.

Question 13

ID the structure indicated by the pointer.

Answer 13

Iris.
Gives the eye its color & allows more less light to enter the eye

Question 14

ID the structure indicated by 5

Answer 14

Pupil.
In cows the pupil is oval & human is found