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hiatus semilunaris

 - 2 dictionary results
Medical Dictionary

Main Entry: hiatus semi·lu·nar·is
Pronunciation: -"sem-i-lü-'nar-&s
Function: noun
: a curved fissure in the nasal passagesinto which the frontal and maxillary sinuses open
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

hiatus semilunaris hiatus sem·i·lu·nar·is (sěm'ē-l&oomacr;-nâr'ĭs)
n.
A groove in the lateral wall of the middle meatus of the nasal cavity, into which the maxillary sinus, the frontonasal duct, and the middle ethmoid cells open.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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