The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; external acoustic meatus.
A canal running through the petrous portion of the temporal bone, giving passage to the facial and vestibulocochlear nerves and to the labyrinthine artery and veins; internal acoustic meatus.
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Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
Words nearby acoustic meatus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.