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choana in Medicine

choana

(kōə-nə)
n. pl. cho•a•nae (-nē′)
  1. The opening into the nasopharynx of the nasal cavity on either side; posterior naris.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.