Final answer:
Ulcerative colitis exhibits as a lesion in the digestive system, causing inflammation and ulcers in the colon and rectum. Symptoms include lower abdominal pain and bloody diarrhea.
Step-by-step explanation:
Ulcerative colitis exhibits as a lesion in the digestive system.
Ulcerative colitis is an inflammatory bowel disease that causes inflammation and ulcers in the colon and rectum.
The primary symptoms include lower abdominal pain and bloody diarrhea.
Unlike Crohn's disease, other parts of the GI tract are rarely affected in ulcerative colitis