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Chapter 8 Group 6
76-90
15
Anatomy
11th Grade
01/09/2012

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Term
MECHANORECEPTORS
Definition
RECEPTORS SENSITIVE TO MECHANICAL PRESSURES SUCH AS TOUCH, SOUND, OR CONTRACTIONS.
Term
EXTERNAL EAR
Definition
THE OUTER EAR MADE UP OF THE AURICLE AND THE EXTERNAL ACOUSTIC MEATUS.
Term
EAR
Definition
SHELL SHAPED STRUCTURE SURROUNDING THE AUDITORY CANAL OPENING.
Term
AURICLE (PINNA)
Definition
THE EAR
Term
EXTERNAL ACOUSTIC MEATUS
Definition
AUDITORY CANAL; A SHORT, NARROW CHAMBER (1 INCH LONG BY 1/4 INCH WIDE) CARVED INTO THE TEMPORAL BONE OF THE SKULL.
Term
CERUMINOUS GLANDS
Definition

GLANDS LOCATED IN THE 

SKIN-LIKE WALLS OF THE AUDITORY CANAL THAT SECRETE A  WAXY YELLOW SUBSTANCE (EARWAX).

Term
CERUMEN
Definition
EARWAX
Term
TYMPANIC MEMBRANE
Definition
EARDRUM; SOUND WAVES ENTER THE AUDITORY CANAL EVENTUALLY HIT THIS MEMBRANE AND CAUSE IT TO VIBRATE.
Term
MIDDLE EAR
Definition
TYMPANIC CAVITY; IS A SMALL, AIR-FILLED, MUCOSA-LINED CAVITY WITHIN THE TEMPORAL BONE.
Term

PHARYNGOTYMPANIX

(EUSTACHIAN TUBE)

Definition
A TUBE THAT CONNECTS THE MIDDLE EAR AND THE PHARYNX; ALLOWS PRESSURE TO BE EQUALIZED ON BOTH SIDES OF THE EAR DRUM.
Term
OTITIS MEDIA
Definition
INFLAMATION OF THE MIDDLE EAR; RESULTS FROM A SORE THROAT
Term
OVAL WINDOW(VESTIBULR WINDOW)
Definition
IS A MEMBRANE-COVERED OPENING WHICH LEADS FROM THE MIDDLE EAR TO THE VESTIBULE OF THE INNER EAR.
Term
ROUND WINDOW
Definition
THE ROUND WINDOW IS ONE OF THE TWO OPENINGS INTO THE INNER EAR. IT IS CLOSED OFF FROM THE MIDDLE EAR BY THE THE ROUND WINDOW MEMRANE, WHICH VIBRATES WITH OPPOSITE PHASE TO VIBRATIONS ENTERING THE INNER EAR THROUGHT THE OVAL WINDOW; IT ALLOWS FLUID IN THE COCHLEA TO MOVE, WHICH IN TURN ENSURES THAT HAIR CELLS OF THE BASILAR MEMBRANE WILL BE STIMULATED AND THAT AUDITION WILL OCCUR.
Term
MYRINGOTMOY
Definition
LANCING OF THE EARDRUM REQUIRED TO RELIEVE PRESSURE IN THE EAR CAUSED BY TOO MUCH FLUID OR PUS.
Term
OSSICLES
Definition
THE THREE BONES OF THE MIDDLE EAR; ANVIL, HAMMER, STIRRUP
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