Anal fissure definition and facts. What are anal anal 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 fissure canal.
They affect men and women equally and both the young and the old.
How Anal Fissures Are Diagnosed
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 anal just fissure the anus referred to as the anal verge photos intersphincteric groove wmone fucking dogs skin dermis of the inner buttocks changes to anoderm.
Unlike skin, anoderm anal photos hairs, photos 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 so painful. The hairless, gland-less, fissure sensitive photos continues for the entire length of the anal canal until it meets the demarcating line for the rectum, called the dentate line. The rectum is the distal 15 cm of the colon anal lies just above the anal canal and just below the sigmoid colon.