Evolve Ch 11 The Ear
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Created by:
kat71 on June 3, 2010
Subjects:
Description:
Florida Institute of Animal Arts access
Classes:
Veterinary Assisting, You Want It We Got It Come Study Today (YWIWGICST)
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30 terms
Terms | Definitions |
|---|---|
 otitis externa | inflammation of the external ear |
| otitis media | inflammation of the middle ear |
| otitis interna | inflammation of the inner ear |
| pinna | ear flap (cartilaginous funnel that collects sound waves and directs them into the external auditory canal) |
| (3 parts of?) external ear | pinna, external auditory canal, tympanic membrane |
| tympanic membrane | ear drum (thin, connective tissue membrane that is tightly stretched across the opening into the middle ear) |
| otilic occicles | small bones of the middle ear (smallest bones of the body) |
| (3 parts of?) middle ear | malleus, incus, stapes |
| tympanic bulla | houses the middle ear |
| eustachian tubes | helps equalize pressure (links the middle ear w/ the pharynx- accomplishes pressure equilibration as the animal swallows) |
| (3 parts of?) inner ear | cochlea, (vestibular apparatus) vestibule, semicircular canals |
| cochlea (ducts contain microvilli with?) | hearing receptor cells |
| vestibule (chambers are important for?) | static equilibrium |
| semicircular canals (rigid tubes are important for?) | dynamic equilibrium (focuses on the directional movements of the head. gravity causes otoliths to slide along a gelatinous material to the lowest point) |
| (6 reasons for) ear problems | allergies, parasites, bacteria, foreign bodies, trauma, environment (tumors, ...) |
| (4 signs of) ear problems | odor, scratching, shaking, inflammation (discharge, tilting of the head, ataxia, stenosis, visible debris, redness) |
| (5 items needed for) ear cleaning | cleaning agent, rinse/drying agent, bulb syringe, cotton balls, medication (basin) |
| (7 steps to) ear cleaning | restrain, remove hair, extend pinna, fill and massage, cotton ball debris, cotton tipped applicator pinna, dry ear, medicate |
| audiology | study of hearing |
| otodectes cynotic | ear mite |
| otoacariasis | condition of ear mites |
| otorrhea | discharge of the ear |
| otopyorrhea | discharge of ear pus |
| otalgia | ear pain |
| aural hematoma | blood vessels w/in the pinna break (common on long eared dogs) |
| pinnal alopecia | hair loss of the ear flap (common in dachshunds) |
| (the) ear mite | otodectes cynotic |
| pinna, external auditory canal, tympanic membrane | (parts of the) external ear |
| cochlea, vestibule, semicircular canals | (3 parts of?) inner ear |
| malleus, incus, stapes | (3 parts of?) middle ear |
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