dictionary help| external acoustic meatus | medical dictionary |
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.
Synonyms: meatus acusticus externus, acoustic meatus, antrum auris, auditory canal, external auditory meatus.
(05 Mar 2000)
external, external absorption, external acoustic foramen < Prev | Next > external acoustic pore, external anal sphincter
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