ändtarmskanalen
The ändtarmskanalen, also known as the anal canal, is the terminal part of the large intestine, extending from the rectum to the anus. It is a short passage, typically measuring around 3 to 4 centimeters in length in adults. The primary function of the anal canal is to control the expulsion of feces from the body.
The lining of the anal canal consists of several structures. At its upper end, it is lined
The lower part of the anal canal is lined with stratified squamous epithelium, which is more resistant
The external anal sphincter is a crucial component for voluntary bowel control. When the rectum is distended