1 Name the three layers that make up the wall of the eyeball. Do this in order s
ID: 3514923 • Letter: 1
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1 Name the three layers that make up the wall of the eyeball. Do this in order starting with the most superficial (external) one. Layer Structures found in this layer 2 Name the four transparent structuressubstances that light must pass through in the eye. Start with the first one light encounters and continue in order a, b. C. d. 3 4 5 What eye structure regulates the size of the pupil? What eye structures connect the lens to the ciliary muscle? What cranial nerve is created by the merger of all the nerve fibers from the neural layer of the eye? 6 What is the reason for the presence of a "blind spot" in each eye? 7 The vitreous body (humor) adheres to the anteriorly and to the posteriorly and laterally What do the lacrimal glands produce? What eye muscle is controlled by the trochlear nerve? What structure separates the outer ear from the middle ear? 8 9 10 11 Name the three auditory ossicles What type of tissue are these ossicles composed of? Which ossicle connects to the tympanic membrane? Inquiry-Based Exercises in Human Anatomy& Physiology (Part 1)149 Eleen Bush. Wiliam PerrottiExplanation / Answer
1. Layers of eyeball
2. The light must pass through
A) cornea
B) aqueous humor
C. Crystalline lens
D. Vitreous humor
3). Iris - it has sphincter pupillae and dilator pupillae wgich regulate pupil size.
4). Suspesory Zonules - they also regulate size of lens
5). Optic nerve
6. Blind spot represent optic cup or origin of optic nerve and this region doesn't have any rods or cons so there is no vision possible in this region. This represent physiological blind spot.
7. Lens anteriorly and retina (or vitreous base).
8. Tear
9. Superior oblique
10. Tympanic membrane
11. Milleus, Incus and Stapes
12. Bone
13. Milleus
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