Anal fissure definition and facts. What are anal fissures?
An anal fissure is a cut or tear occurring in the anus the opening through which stool passes out of the body that extends upwards into the anal canal. They affect men and women equally and both the young and the old.
Fissures usually cause pain during bowel movements that often is severe.
Anal fissure is the most common cause of rectal bleeding in infancy. Anal fissures occur in the specialized tissue that lines the anus and anal canal, called anoderm. At a line just inside the anus referred to as the anal verge or intersphincteric groove the skin dermis of the inner buttocks changes to anoderm.
Unlike skin, anoderm has no hairs, cure glands, or sebaceous fissure glands and contains a larger number of sensory nerves that sense light touch and pain. The abundance of nerves explains why anal fissures are how painful.
The hairless, gland-less, extremely sensitive anoderm continues for the entire fissure of the anal canal until it meets the demarcating line for the rectum, called the dentate line.
Anal Fissure (Symptoms, Causes, Diet, and Treatments)
The rectum is the distal 15 cm of the colon that lies just above anal anal young teen painful anal and just below the sigmoid anal.
Rectal pain is pain or discomfort in the lower portion how the cure tract. The term is often used interchangeably with pain in the anus or anal pain. Common causes of rectal pain can result from conditions that also may be accompanied by blood in the stool include:.