Medical Terminology Chapter 13

Medical Terminology Chapter 13 - Acouso/audio hearing aero...

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Acouso/audio hearing
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aero Air or gas
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Auri/oto ear
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cerumino wax
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salpingo Eustachian tube or uterine tube
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Tympano/myringo eardrum
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-acusis Hearing condition
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pinna Auricle (little ear); projected part of the external ear
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External auditory meatus External passage for sounds collected from the pinna to the tympanum
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Tympanic membrane (TM) Eardrum; drum-like structure that receives sound collected in the external auditory meatus (canal) and amplifies it through the middle ear
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malleus Hammer; first of the three auditory ossicles of the middle ear
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incus Anvil; middle of the three auditory ossicles of the middle ear
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stapes Stirrup; last of the three auditory ossicles of the middle ear
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Eustachian tube/auditory tube Tube connecting the middle ear to the pharynx (throat)
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Mastoid process Projection of the temporal bone located behind the ear containing air cells that connect to the middle ear (masto = breast)
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Oval window Membrane that covers the opening between the middle ear and inner ear
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Inner ear Structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound
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labyrinth Maze; inner ear consists of bony and membranous labyrinths
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cochlea Coiled tubular structure of the inner ear that contains the organ of Corti (cochlea = snail)
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perilymph Fluid that fills the bony labyrinth of the ear
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endolymph Fluid within the cochlear duct of the inner ear (labyrinths)
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Organ of Corti Organ located in the cochlea that contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing
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vestibule Middle part of the inner ear in front of the semicircular canals and behind the cochlea that contains the utricle and saccule
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utricle Larger of two sacs within the membranous labyrinth of the vestibule in the inner ear
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saccule Smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear
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This note was uploaded on 04/09/2008 for the course CC 306M taught by Professor Doig during the Spring '06 term at University of Texas at Austin.

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Medical Terminology Chapter 13 - Acouso/audio hearing aero...

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