SCCS Anatomy/Physiology
Name:
Eye dissection post-lab
Structure
Sclera
Cornea
Pupil
Lens
Iris
Ciliary Body
Humor
Choroid &
Retina
Optic Nerve
Location
Function
Observe the eye model. Examine the extrinsic muscles:
Match the functions. Use the word bank:
a. superior oblique
b. inferior oblique
c. superior rectus
d. inferior rectus
e. medial rectus
ab. lateral rectus
21. Moves the eye up and out to the side
22. Moves the eye straight up
23. Moves the eye down and in toward the nose
MATCHING: Use the Key Terms below. Terms may be used more than once.
aqueous humor
cornea
vitreous humor
ciliary body/muscle
conjunctiva
fovea centralis
lens
retina
sclera
suspensory ligament
choroid
Optic nerve
Tapetum lucidum
radial iris
circular iris
.Extrinsic eye muscles.
pupil
optic disk
(if term is not listed here, you may write in your own term)
1. Aims the eye.
2. Contains muscle that controls the shape of the lens.
3. Nutritive (vascular) layer / wall of the eye
4. The blind spot.
5. Layer/wall of the eye containing the neuron receptors.
6. Gel-like substance filling the posterior cavity of the eyeball.
7. Helps to maintain the placement of the retina as well as the eyeball shape.
8. Intrinsic muscle of the eye.
9. Attaches the lens to the ciliary body/muscle.
10. Fluid that fills the anterior chamber of the eye.
11. Layer/wall of the eye composed of tough, white fibrous collagen connective tissue.
12. An area of the retina that lacks photoreceptors
13. Area of acute or discriminatory/sharpestvision
14. Refractory mediums of the eye. (name all)
15. Most anterior and transparent part of the outer wall of the eyeball.
16. Rich in mucous membranes and glands to lubricate the eye
17. Operates to dilate the iris to enlarge the pupil size
18. Transmits the action potential from the retina to the optic tract.
19. Area where the largest number of cones can be found
20. Increases night vision in animals