RECTAL definition : 1. relating to the rectum (= the last section of the large bowel): 2. relating to the rectum …. Learn more. Your rectum is at the end of your colon and on the other side of your anal canal. This is where your poop collects just before it’s ready to come out. Your rectum absorbs the excess water and holds it until it’s full, when nerves trigger the urge to defecate. Advertisement Care at Cleveland Clinic Find a Primary Care Provider Schedule an Appointment Contents Overview Function Anatomy Conditions and Disorders Care Contents Overview Function Anatomy Conditions and Disorders Care The rectum is the most distal segment of the large intestine, and has an important role as a temporary store of faeces. It is continuous proximally with the sigmoid colon, and terminates into the anal canal. What is the function and anatomy of the rectum ? Read on the learn more about the purpose and structure of the rectum , as well as conditions that may affect it.
