antrum auris

external auditory canal

the passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of fibrocartilaginous outer and bony inner portions lined with thin skin medially and thicker skin with ceruminous glands, hair follicles, and subcutaneous fat laterally.

Synonym(s): acoustic meatus (2) , antrum auris, ear canal

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ex·ter·nal a·cous·tic me·a·tus

[TA]

the passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus.

Synonym(s): meatus acusticus externus [TA], acoustic meatus (1) , antrum auris, auditory canal, ear canal, external auditory meatus

Farlex Partner Medical Dictionary © Farlex 2012

antrum auris

(1) External acoustic meatus; meatus acousticus externus [NA6]; external auditory canal.
(2) Middle ear; auris media [NA6].

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

ex·ter·nal a·cous·tic me·a·tus

(eks-tĕr'năl ă-kūs'tik mē-ā'tŭs) [TA]

The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus.
Synonym(s): acoustic meatus (1) , antrum auris.

Medical Dictionary for the Dental Professions © Farlex 2012