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39 Cards in this Set

  • Front
  • Back
anterior chamber
area behind the cornia; in front of the lens and iris. It contains aqueous humor
aqueous humor
fluid produced by te ciliary body and foudn in the anteiror chamber
choroid
middle, vascular layer of the eye, between the retina and sclera
ciliary body
structure on each side of lens that connects the choroid and iris; contorl shape of lens; secretes acqueous humor
cone
photoreceport cell; repsonbile for color and central vision
conjunctiva
delicate membrane lining the eylids and covering the anterior portion of the eyeball
fovea centralis
tiny pit or depression in teh retina that is the region of the clearest vision
fundus of the eye
posteiror, inner part fo the eye
iris
colored portion of eye
lens
trasnpartant biconvex body behind pupil; its beds light to bring them into focus
macula
yellowish region on the retina below the optic disc; contains the fovea centralis
optic chiasm
point at whih the fibers of the optic nerve cross in the brain (chiasm means crossing)
optic disc
region at the back of the eye where the optic nerve meets the retina. Blinds spot of eye; no rods or cones; insensitive to live
optic nerve
cranial nerve carries impulses from retina to brain (cerebral cortex)
retina
light-sensitive nerve cell layer containing phorotreceptor cells (rods and cones)
rod
photoreceptor cell of the reina for vision in dim light and for peripheral vision
sclera
tough, white outer coat of eyeball
vitreous humor
soft, jelly-like material behidn the lens; helps maintian the shape of eyeball
auditory canal
channel leads from pinna to eardrum
auditory meatus
auditory canal
auditory nerve fibers
carry impulses from the inner ear to the brain (cerebral cortex)
auditory tube
channel between middle ear and nasopharynx; eustachian tube
auricle
flap of the ear; pinna
cerumen
ear wax
cochlea
snail-shpared, tube in inner hear - contained hearing-sensitive receptor cells
endolymph
fluid within the labyrinth of inner ear
eustachian tube
auditory tube
incus
second ossicle of the middle ear
labyrinth
maze-like series of canals in inner ear; cochlea, vestibule, and semicircular canals
malleus
first ossicle of the middle ear; malleus means hammer
organ of Corti
sensitive auditoyr receptor area foudn in cochlea of inner ear
ossicle
small bone of ear
oval window
membrane between middle and inner ear
perilymph
fluid contained in the labyrinth of the inner ear
pinna
auricle; flap of the ear
semicircular canals
passages in the inner ear associated with maintaining equilibrium
stapes
third ossciel of middle ear
tympanic membrane
membrane between out and middle ear; eardrum
vestibule
ventral caivty of the labryinth, connects semicircular cansl and the cochlea; saccule and utricle are its two strucutres and help maintain equilibrium