The body makes many amino acids but others are required from nutrients in order to manufacture proteins in the liver. Within the small intestine ingested proteins are broken down into amino acids which can then be absorbed by the small intestinal cells. A tear in the anus or anal canal. This is usually caused by trauma to the anal canal in association with poorly deformable stools. It may itch, cause pain and bleed.
Patients often report a burning sensation while feces are being passed into the toilet.
A tubular structure developing between anus in the skin. A fistula can actually connect with any part of the gastrointestinal tract or other organs within the body. A fistula is usually secondary to abscess formation. This abnormality is often associated with Crohn's disease. The joining of two structures within the body after surgery.