Abdominoperineal resection: A surgical procedure in which the anus, the rectum, and part of the sigmoid colon are removed through an incision made in the abdomen. The doctor sews the end of the intestine to an opening, called a stoma, made in the surface of the abdomen so body waste can be collected in a disposable bag outside of the body. This is called a colostomy. Lymph nodes that contain cancer may also be removed during this operation.

Your nerve endings are sensitive for a reason. They alert your brain to pain so you can prevent yourself from getting seriously injured, Dr. Chinn says. While numbing creams might make anal penetration feel easier, they don’t make it any easier physically. By numbing your anus, you or your partner could be pushing your body past its point of comfort without even realizing it.
9. Between thin water-based lubes (like Astroglide) and thicker ones (KY), go with the thicker ones, because they don't dry out as quickly. In sex educator Tristan Taormino's crazy-helpful Ultimate Guide to Anal Sex for Women, she mentions that Crisco has been a favorite of the LGBT community for a long time, but it's bad to use with condoms because it can eventually poke tiny holes in the latex.
The tissue and skin around the anus acts as a protective barrier for the bottom half of your digestive tract. However, the tissue inside the anus is thinner, delicate, and more likely to tear and bleed as a result of penetration. This increases the likelihood of passing infections, viruses, or bacteria between partners. Even two partners who don’t have any sexually transmitted infections (STIs) can still pass bacteria between each other through these tears in the skin.
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