In humans, the anus (pl.: anuses or ani; from Latin ānus, "ring", "circle") [1][2] is the external opening of the rectum located inside the intergluteal cleft. Two sphincters control the exit of …

Your anus is the end of your large intestine, where food waste completes its journey through your digestive tract and makes its exit. Muscles, nerves and mucous membranes in your anus work …

The anus is the opening at the end of the digestive tract where stool leaves the body. The rectum is the section of the digestive tract above the anus where stool is held before it passes out of …

anus, terminal opening of the anal canal, the portion of the digestive tract through which fecal material is excreted. See also rectum.

The anus is the terminal opening of the digestive tract through which feces are expelled from the body. It marks the end of the anal canal and plays a critical role in the voluntary and …

The anus is the last part of the digestive tract. Learn more about its anatomy, including where anal cancer is likely to start.

The anal canal is the most distal portion of the lower digestive tract and is approximately 2-3 inches long. It is enclosed by the internal and external sphincter muscles. The proximal portion …

Dec 20, 2025 · Anal disorders include hemorrhoids, fistulas, and abscesses. Learn about which anal conditions are minor and those that are more serious.

Aug 5, 2025 · Delve into the biological anatomy and complex functions of the human anus, from its sensory role to maintaining health and safe practices.

It consists of a muscular ring (called a sphincter) that opens during a bowel movement to allow stool (feces) to pass through, as well as flat cells that line the inside of the anus.