- chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A chronic disease of unknown cause, characterized by ulceration of the colon and rectum with bleeding, mucosal crypt abscesses, and inflammatory pseudopolyps, often causing anemia, hypoproteinemia, and electrolyte imbalance.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.