Some people have great difficulty emptying their rectum due to what is called rectal descent. Rectal descent is a problem that appears to be related to childbirth. When a women gives birth, the normal attachments of the rectum to the lower backbone may get stretched or torn. This tearing allows the rectum to fall into the pelvis where it assumes a horizontal position. The front of the rectum can fall into the top of the anal canal and block the anal opening. The normal rectum lies against the sacrum lower backbone in a gentle curve down to the anal opening.
An anal fissure is an anal tear or crack, in the lining of the anal canal, a cut or tear in the anus that extends into the anal canal. Most anal fissures are less than one centimeter across, but the anus is a highly sensitive part of the body. As a result, a pain in this region can be quite severe, even with a small tear. In this article we will cover the symptoms, diagnosis, and treatment of anal fissures, and cover way in which they can be prevented. Here are some key points about anal fissures. More detail and supporting information is in the main article. Two muscular rings sphincters control the anus — the outer ring is consciously controlled; the inner ring is not.
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Top of the page Check Your Symptoms. Rectal problems are common. Almost everyone will experience some rectal itching, pain, or bleeding at some time during his or her life. These problems are often minor and may go away on their own or with home treatment.