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Ch. 8 Senses
Structure & Function of the Body
26
Anatomy
11th Grade
12/06/2007

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Cards

Term
aqueous humor
Definition
watery fluid that fills the anterior chamber of the eye; in front of the lens
Term
auricle
Definition
part of the ear attatched to the side of the head; earlike appendage of each atrium of the heart
Term
cataract
Definition
opacity of the lens of the eye
Term
chemoreceptors
Definition
receptors that respond to chemicals and are responsible for tate and smells
Term
chorid
Definition
middle layer of the eyeball that contains a dark pigment to prevent the scattering of incoming light rays
Term
cochlea
Definition
snail shell or structure of similar shape
Term
conjunctiva
Definition
mucous membrane that lines the eyelids and covers the sclera (white portion)
Term
crista ampullaris
Definition
a specialized receptor located within the semicircular canals that defects head movements
Term
glaucoma
Definition
disorder characterized by elevated pressure in the eye
Term
gustatory cell
Definition
cell of taste
Term
lacrimal gland
Definition
the glands that produce tears, located in the upper lateral portion of the orbit
Term
lens
Definition
the refracting mechanism of the eye that is located directly behind the pupil
Term
mechanoreceptor
Definition
receptors that are mechanical in nature
Term
organ or corti
Definition
the organ of hearing located in the cochlea and filled with endolymph
Term
ossicles
Definition
little bones; found in the ears
Term
papillae
Definition
small; nipple-shaped elevations
Term
perilymph
Definition
a watery fluid that fills the bony labyrith pf the ear
Term
presbyopia
Definition
farsightedness of old age
Term
pupil
Definition
the opening in the center of the iris that regulates  the amount of light entering the eye
Term
retina
Definition
innermost layer of the eyeball; contains rods and cones and continues posteriorly with the optic nerve
Term
sclera
Definition
shoulder blade
Term
semicircular canals
Definition
located in the inner ear
Term
tympanic
Definition
drumlike
Term
vitreous humor
Definition
the jellylike fluid found in the eye posterior to the lens
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