Term
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Definition
| The visible part of the outer ear. It collects sound and directs it into the outer ear canal. |
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Term
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Definition
| AUDITORY CANAL; A SHORT, NARROW CHAMBER (1 INCH LONG BY 1/4 INCH WIDE) CARVED INTO THE TEMPORAL BONE OF THE SKULL. |
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Term
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Definition
GLANDS LOCATED IN THE
SKIN-LIKE WALLS OF THE AUDITORY CANAL THAT SECRETE A WAXY YELLOW SUBSTANCE (EARWAX). |
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Term
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Definition
| EARDRUM; SOUND WAVES ENTER THE AUDITORY CANAL EVENTUALLY HIT THIS MEMBRANE AND CAUSE IT TO VIBRATE. |
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Term
TYMPANIC CAVITY
(MIDDLE EAR) |
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Definition
| IS A SMALL, AIR-FILLED, MUCOSA-LINED CAVITY WITHIN THE TEMPORAL BONE. |
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Term
PHARYNGOTYMPANIC TUBE
(EUSTACHIAN TUBE) |
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Definition
| A TUBE THAT CONNECTS THE MIDDLE EAR AND THE PHARYNX; ALLOWS PRESSURE TO BE EQUALIZED ON BOTH SIDES OF THE EAR DRUM. |
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Term
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Definition
| INFLAMATION OF THE MIDDLE EAR; RESULTS FROM A SORE THROAT |
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Term
OVAL WINDOW
(VESTIBULR WINDOW) |
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Definition
| IS A MEMBRANE-COVERED OPENING WHICH LEADS FROM THE MIDDLE EAR TO THE VESTIBULE OF THE INNER EAR. |
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Term
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Definition
| Serves as a pressure valve, bulging outward as fluid pressure rises in the inner ear. |
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Term
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Definition
| THE THREE BONES OF THE MIDDLE EAR; ANVIL, HAMMER, STIRRUP |
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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
OSSEOUS LABYRINTH
(INTERNAL EAR) |
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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
| AN EAR INFECTION THAT IS MOST OFTEN A BACTERIAL OR VIRAL INFECTION THAT AFFECTS THE MIDDLE EAR, THE AIR-FILLED SPACE BEHIND THE EARDRUM THAT CONTAINS THE TINY VIBRATING BONES OF THE EAR. CHILDREN ARE MORE LIKELY THAN ADULTS TO GET EAR INFECTIONS. |
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Term
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Definition
| RECEPTORS SENSITIVE TO MECHANICAL PRESSURES SUCH AS TOUCH, SOUND, OR CONTRACTIONS. |
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Term
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Definition
| (also called the incus) a tiny bone that passes vibrations from the hammer to the stirrup. |
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Term
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Definition
| (also called the malleus) a tiny bone that passes vibrations from the eardrum to the anvil. |
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Term
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Definition
| also called the stapes) a tiny, U-shaped bone that passes vibrations from the stirrup to the cochlea. This is the smallest bone in the human body (it is 0.25 to 0.33 cm long). |
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Term
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Definition
| three loops of fluid-filled tubes that are attached to the cochlea in the inner ear. They help us maintain our sense of balance. |
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