The anal triangle is the posterior part of the perineum. It contains the anal canal. The muscles of the male perineum In human anatomy, the perineum is generally defined as the surface region in both males and females between the pubic symphysis and the coccyx. ... The anal canal is the terminal part of the large intestine. ...
Structure
The anal triangle is the area bound by a triangle with one vertex at the coccyx bone and the two other vertices at the ischiopubic rami of the pelvic bone. The coccyx is formed of four fused vertebrae. ... Human male pelvis, viewed from front Human female pelvis, viewed from front The pelvis is the bony structure located at the base of the spine (properly known as the caudal end). ...
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