Try Our Apps


World Series Quiz

ethmoidal sinus

ethmoidal sinus in Medicine

ethmoidal sinus n.
Any of the evaginations of the mucous membrane of the middle and superior meatus of the nasal cavity, subdivided into anterior, middle, and posterior sinuses.

The American HeritageĀ® Stedman's Medical Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for ethmoidal

Scrabble Words With Friends

Nearby words for ethmoidal sinus