mucosectomy

[ myōō′kə-sĕktə-mē ]

n.

Excision of the mucosa, usually of the rectum prior to ileoanal anastomosis for treatment of ulcerative colitis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.