external ear

ear (ēr) the organ of hearing and of equilibrium, consisting of the external ear, the middle ear, and the internal ear.

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Blainville ears  asymmetry of the ears.

Cagot ear  one without a lower lobe.

cauliflower ear  a partially deformed auricle due to injury and subsequent perichondritis.

diabetic ear  mastoiditis complicating diabetes.

external ear  the pinna and external meatus together.

glue ear  a chronic condition marked by a collection of fluid of high viscosity in the middle ear, due to obstruction of the eustachian tube.

inner ear  the labyrinth; the vestibule, cochlea, and semicircular canals together.

middle ear  the cavity in the temporal bone comprising the tympanic cavity, auditory ossicles, and auditory tube.

outer ear  external e.

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external ear

n.

The outer portion of the ear including the auricle and the passage leading to the eardrum. Also called outer ear.

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external ear,

the outer structure of the ear, consisting of the auricle and the external acoustic meatus. Sound waves are funneled through the external ear to the middle ear. Compare internal ear, middle ear.

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external ear

the outer ear; includes the auricle (1) or pinna and the external auditory meatus that carries the sound waves picked up by the auricle to the eardrum or tympanic membrane.

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external ear canal

the tubular part of the auricle.

external ear canal inflammation

see otitis externa.

external ear hematoma

see auricular hematoma.

external ear marginal dermatosis

see ear margin dermatosis.