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Related to auditory canal: External Auditory Meatus, ear canal, oval window, ears, Internal Auditory Canal
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
Either of two passages of the ear, the internal or the external auditory canal.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
auditory canalThe 2-part passage through which sound is carried into the cranial cavity. The 1st part or external acoustic meatus, extends to the external surface of the temporal bone and is divided into an outer cartilaginous part and an inner bony part. The 2nd part, the internal acoustic meatues is located in the petrous portion of the temporal bone and is the passage through which the facial, intermediate, and vestibulocochlear nerves and labyrinthine artery pass to the cranial cavity.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
external auditory meatusthe canal leading from the PINNA (outer ear) to the ear drum.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005