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Key Terms Chapter 8
| Question | Answer |
|---|---|
| equilibrium | The sense of balance |
| gustation | The sense of taste (Latin geusis means “taste”) |
| hearing | The sense or perception of sound |
| olfaction | The sense of smell (root osm/o means “smell”) |
| proprioception | The awareness of posture, movement, and changes in equilibrium; receptors are located in muscles, tendons, and joints |
| sensory receptor | A sensory nerve ending or a specialized structure associated with a sensory nerve that responds to a stimulus |
| tactile | Pertaining to the sense of touch |
| vision | The sense by which the shape, size, and color of objects are perceived by means of the light they give off |
| auditory tube | The tube that connects the middle ear with the nasopharynx and serves to equalize pressure between the outer and middle ear (root: salping/o); pharyngotympanic tube; originally called the eustachian (u-STA-shen) tube |
| cerumen | The brownish, wax-like secretion formed in the external ear canal to protect the ear and prevent infection (adjective: ceruminous [seh-RU-mih-nus]) |
| cochlea | The coiled portion of the inner ear that contains the receptors for hearing (root: cochle/o) |
| external auditory canal | Tube that extends from the pinna of the ear to the tympanic membrane; external auditory meatus |
| incus | The middle ossicle of the ear |
| labyrinth | The inner ear, named for its complex structure, which resembles a maze |
| malleus | The ossicle of the middle ear that is in contact with the tympanic membrane and the incus |
| ossicles | The small bones of the middle ear; the malleus, incus, and stapes |
| pinna | The projecting part of the outer ear; auricle (AW-rih-kl) |
| semicircular canals | The three curved channels of the inner ear that hold receptors for equilibrium |
| spiral organ | The hearing receptor, which is located in the cochlea of the inner ear; organ of Corti (KOR-te) |
| stapes | The ossicle that is in contact with the inner ear (roots: staped/o, stapedi/o) |
| tympanic membrane | The membrane between the external auditory canal and the middle ear (tympanic cavity); the eardrum; it serves to transmit sound waves to the ossicles of the middle ear (roots: myring/o, tympan/o) |
| vestibular apparatus | The portion of the inner ear that is concerned with the sense of equilibrium; it consists of the vestibule and the semicircular canals (root: vestibul/o) |
| vestibule | The chamber in the inner ear that holds some of the receptors for equilibrium |
| vestibulocochlear nerve | The nerve that transmits impulses for hearing and equilibrium from the ear to the brain; eighth cranial nerve; auditory or acoustic nerve |
Created by:
ghostofpima
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