ethmoidectomy

[ĕth′moi-dĕktə-mē]

n.

Removal of all or a part of the mucosal lining and bony partitions between the ethmoid sinuses.

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