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acoustic

adj. Pertaining to the act or sense of hearing.

baroreceptors

detect changes in blood pressure

circadian

biologic clock in humans; the rhythmic repetition of certain phenomena, such as hunger, fatigue, and changes in blood pressure, that tend to fluctuate within a 24-hour period

circumvallate

Papilla: Anterior to sulcus terminalis, taste buds, & glands of Von Ebner (serous)

cochlea

the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the Organ of Corti

emmetropia

normal vision

incus

anvil; middle of the three auditory ossicles of the middle ear

iris

muscular diaphragm that controls the size of the pupil

labyrinth

network of canals, such as found in the ear

lacrimal

relating to or located near the organ that produces tears

otolith

located in semicircular canals--"ear stones" have hair cells that when bent, indicate to body that you're moving-acceleration or deccelaeration

macula

a yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

malleus

hammer; first of the three auditory ossicles of the middle ear

myein

to shut

nociceptor

pain receptor

olfaction

the faculty of smell

presbyopia

farsightedness resulting from a reduced ability to focus caused by loss of elasticity of the crystalline lens with age

sclera

tough, fibrous, white outer coat extending from the cornea to the optic nerve

stapes

stirrup; last of the three auditory ossicles of the middle ear

tectorial membrane

A membrane located above the basilar membrane

tympanum

the membrane in the ear that vibrates to sound

vitreous

inner portion of eye with a glassy appearance

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