The anal canal is a short segment of the digestive tract located between the rectum and the anus in the human body. It serves as a passage for the elimination of fecal matter during the process of defecation. The anal canal is lined with specialized cells and is surrounded by two sphincter muscles, the internal and external anal sphincters, which help control the opening and closing of the anus.

Definizione e significato di "anal canal"in inglese

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