Overview of the Senses -- SIGHT -- Anatomy of the Eye

Question 1

dense/collagenous connective tissue

Answer 1

Fibrous Tunic

Question 2

The “white” of the eye

Answer 2

Sclera

Question 3

Clear covering directly in front of the iris

Answer 3

Cornea

Question 4

The Fibrous tunic incudes the following….. (2)

Answer 4

Sclera

Cornea

Question 5

The Vascular Tunic includes the following…. (4)

Answer 5

Choroid
Ciliary muscles
Ciliary body
Iris

Question 6

-Supplies blood to all tunics (including 1/3 of blood supply to retina);Pigmented to reduce light scattering; Located beneath sclera

Answer 6

Choroid-

Question 7

Control lens shape by pulling on suspensory ligaments

Answer 7

Ciliary muscles

Question 8

Produces the aqueous humor, a fluid that provides the cornea and iris with nutrients (since there is no blood supply to them)

Answer 8

Ciliary body-

Question 9

-Colored part of the eye; Controls amount of light that enters through the use of two groups
of smooth muscles:

Answer 9

Iris

Question 10

What are two groups of smooth muscles in the iris:

Answer 10

Sphincter pupillae

Dilator pupillae

Question 11

Constricts pupil size, controlled by oculomotor nerve

Answer 11

Sphincter pupillae-

Question 12

Dilates pupil size, controlled by sympathetic nerve fibers

Answer 12

Dilator pupillae

Question 13

Tunic =

Answer 13

layers