Term
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Definition
HAMMER OR MALLEUS
ANVIL OR INCUS
STIRRUP OR STAPES
THE HAMMER MOVES AND TRANSFERS VIBRATION TO THE ANVIL; THE STIRRUP PRESSES ON THE OVAL WINDOW; EVENTUALLY EXCITING HEARING RECEPTORS. |
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Term
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Definition
| A MAZE OF BONY CHAMBERS CALLED THE OSSEOUS (BONY) LABYRYINTH LOCATED DEEP WITHIN THE TEMPORAL BONE BEHIND EYE SOCKET. |
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Term
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Definition
| A CAVITY OF THE INNER EAR RESEMBLING A SNAIL SHELL; HOUSES THE HEARING RECEPTOR. |
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Term
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Definition
| SITUATED IN THE INTERNAL EAR BETWEEN THE SEMICIRCULAR CANALS AND THE COCHLEA |
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Term
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Definition
| PLASMA-LIKE FLUID THAT FILLS THE OSSEOUS LABYRINTH |
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Term
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Definition
| (LOCATED IN THE PERILYMPH) A SYSTEM OF MEMBRANE SACS THAT FOLLOWS THAT SHAPE OF THE BONY LABYRINTH. |
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Term
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Definition
| THICK FLUID THAT IS LOCATED IN THE MEMBRANOUS LABYRINTH. |
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Term
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Definition
| EQUILIBRIUM RECEPTORS OF THE INNER EAR. |
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Term
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Definition
| STATIC EQUILIBRIUM RECEPTORS PROVIDES INFORMATION ON WHICH WAY IS UP OR DOWN; HELPS US KEEP OUR HEAD ERECT. |
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Term
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Definition
| A JELLY-LIKE MASS STUDDED WITH OTOLITHS; THE HAIRS OF THE MACULE ARE EMBEDDED IN THIS SUBSTANCE. |
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Term
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Definition
| TINY STONES MADE OF CALCIUM SALTS |
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Term
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Definition
| THE SPECIAL SENSE WHICH INTERPRETS THE POSITION OF THE HEAD PERMITTING THE CNS TO MAINTAIN STABILITY AND POSTURE WHEN THE HEAD AND BODY ARE NOT MOVING; IT IS DETECTED BY MECAHNORECEPTORS IN THE VESTIBULE OF THE INNER EAR, THE UTRICLE AND SACCULE, WHICH EACH CONTAIN A MACULA WITH THE RECEPTORS FOR STATIC EQUILIBRIUM; WHEN THE HEAD MOVES WITH REFERENCE TO GRAVITY, THE OTOLITHIC MEMBRANE SHIFTS THE MECHANORECEPTORS (HAIR CELLS) IN THE MACULA DETECT THIS MOVEMENT AND SEND THE INFORMATION ALONG THE VESTIBULAR NERVE TO THE BRAIN FOR INTERPRETATION ("WHICH WAY IS UP"). |
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Term
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Definition
The division of the vestibulcochlear (eighth) cranial nerve which conducts sensory information regarding static and dynamic equilibrium from the vetibular apparatus of the inner ear to the various centers of the CNS which process and integrate that information with visual
and proprioception. |
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Term
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Definition
| RECEPTORS FOUND IN THE SEMICIRCULAR CANALS THAT RESPOND TO ANGULAR ROATATORY MOVEMENTS OF THE HEAD. |
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Term
| CRISTA AMPULLARIS (CRISTA) |
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Definition
| A RECEPTOR REGION MADE UP OF A TUFT OF HAIR CELLS COVERED WITH A GELATINOUS CAP CALLED THE CUPULA. |
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