ulcerative colitis

noun1

1. •
   A chronic disease, characterized by abdominal pain and diarrhea mixed with blood, that results in inflammation and ulcers of the colon and rectum; one of the two main types of inflammatory bowel disease (IBD).

   • Submucosal thickening further contributes to luminal narrowing. Additionally, the lamina propria is thickened because of round-cell infiltration in both acute and chronic ulcerative colitides [7, 12]. — 1996