Clinical pictures: Perianal problems | GPonline - Pictures o anus
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The anus starts at the bottom of the rectum, the last portion of the colon (large intestine). Internal hemorrhoids: Swollen veins inside the anus or rectum. Infection with human papillomavirus (HPV), anal sex, and multiple sexual partners increase the risk. Picture of Anus. Anus: The opening of the rectum to the outside of the body. The word "anus" comes straight from the Latin. It referred to the same structure to the.