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Eye and Ear Normal structure and function
Terms in this set (45)
Normal adjustment of the eye, ciliary body.
anterior to the lens, contains aqueous humor.
Found in the anterior chamber.
two surfaces that are rounded elevated and curved evenly.
Middle, vascular layer of the eye, between the retina and the sclera.
Control the shape of the lens.
Photo receptor, responsible for color and central vision.
Delicate lining of the eyelids and covering the eyeball.
transparent, anterior portion.
highest density of rods + cones, depression in the retina clearest vision.
fundus of the eye
posterior, visualized with an ophthalmoscope.
central opening of the pupil.
largest refractive effect, transparent biconvex posterior to the pupil.
yellowish region contains the fovea centralis.
optic nerve fibers cross in the brain.
optic nerve meets the retina, blind spot.
cranial nerve that carries impulses from the retina to the brain.
central opening of the eye, light rays pass.
bending of light rays, focus on the retina.
containing photoreceptor cells.
photoreceptor cell, low light and peripheral vision.
tough, white outer coat of the eyeball.
relay center of the brain
jelly-like material, lens in the vitreous(posterior) chamber helps maintain the shape of the eyeball.
channel that leads from the pinna to the eardrum.
auditory nerve fibers
carry impulses from the inner ear to the brain, vestibulocochlear nerve.
channel between the middle ear and the external ear; Eustachian tube.
flap of the ear; external ear.
spirally wound tube, inner ear containing receptor cells.
fluid within the labyrinth of the inner ear.
maze-like including the cochlea, vestibule, and semicircular canals.
organ of corti
auditory receptor cells in the cochlea
small bone; malleus, incus, and stapes.
membrane between the middle ear and the inner ear.
fluid contained in the labyrinth.
auricle; flap of the ear external.
membrane between the outer and middle ear.
connecting the semicircular canals and the cochlea.
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