Special Senses

Question 1

I’d the structure indicated by 1

Answer 1

Sclera.
Outer layer of the eye(“White of the eye”) Dense irregular connective tissue

Question 2

I’d the structure indicated by 2.

Answer 2

Cornea.
Transparent portion of the fibrous tunic of the anterior surface of the eye

covers the iris & pupil.

Question 3

ID the structure indicated by L.

Answer 3

Choroid.
Layer of connective tissue & perfused w/ blood vessels that feed different structures of the eye with nutrients & blood

Question 4

ID the structure indicated by A.

Answer 4

Ora serrata
Transition point between the choroid & the ciliary body

Question 5

ID the structure indicated by the red pointer

Answer 5

Ciliary body.
Made of ciliary muscle & ciliary processes. Secretes aqueous humor

Question 6

ID the structure indicated by B.

Answer 6

Ciliary Muscle.

Question 7

ID the structure indicated by E

Answer 7

Iris.
Layer of smooth muscle. Regulate the diameter of the pupil of the eye

Question 8

ID the structure indicated by F.

Answer 8

Pupil.
A “hole” allows light to pass through on its way to the retina

Question 9

I’d the structure indicated by H.

Answer 9

Lens.
It focuses light rays onto the retina

Question 10

ID the structure indicated by M

Answer 10

Retina.
Contains the photoceptors necessary for vision

Question 11

ID the structure indicated by N & O

Answer 11

Fovea
Highest receptor density is the focal point more most light entering the retina

Question 12

I’d the structure indicated by the circle

Answer 12

Optic disc.
“ Blind spot “ lacks rods & cores; light focused on it can’t be seen.

Question 13

ID the structure indicated by P

Answer 13

Optic nerve
Carries signals from the eye to the optic chaiasm.

Question 14

ID the structure indicated by P

Answer 14

Optic nerve
Carries signals from the eye to the optic chaiasm.