This medical illustration explains irritable bowel syndrome (IBS), a common digestive disorder that affects the large intestine. The image identifies key features such as a sensitive gut wall, distended bowel, and abnormal contractions in the colon, which are often associated with IBS symptoms like bloating, pain, and irregular bowel movements. It also labels anatomical parts including the ascending colon, transverse colon, descending colon, sigmoid colon, and more for educational purposes.