vestibule

vestibule definition - medical

ves·ti·bule (vĕsˈtə-byo͞olˌ)

noun
A cavity, chamber, or channel that leads to or is an entrance to another cavity, especially that of the ear.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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