external ear

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external ear

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

external ear

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

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.

au·ri·cle

(awr'i-kĕl) [TA]
1. The projecting shell-like structure on the side of the head, constituting, with the external acoustic meatus, the external ear.
Synonym(s): auricula (1) , pinna (1) .
2. Synonym(s): auricle of atrium.

pin·na

, pl. pinnae (pin'ă, -ē)
1. Synonym(s): auricle (1) .
2. A feather, wing, or fin.
[L. pinna or penna, a feather, in pl. a wing]

EAR

Abbreviation for estimated average requirement.

ear

(ēr) [TA]
The organ of hearing: composed of the external ear, which includes the auricle and the external acoustic, or auditory, meatus; the middle ear, or the tympanic cavity with its ossicles; and the internal ear or inner ear, or labyrinth, which includes the semicircular canals, vestibule, and cochlea.
See also: auricle
Synonym(s): auris [TA] .

EAR

Abbreviation for estimated average requirement.

ear

(ēr) [TA]
Organ of hearing and equilibrium, composed of external ear,, consisting of auricle, external acoustic meatus, and tympanic membrane; middle ear,, or tympanic cavity, with its auditory ossicles and associated muscles; and internal ear,, the vestibulocochlear organ, which includes the bony labyrinth (of semicircular canals, vestibule, and cochlea), and vestibular and cochlear labyrinths.
Synonym(s): auris.

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.

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.