肛門挙筋
Right hip bone. Internal surface.
Coronal section of pelvis, showing arrangement of fasciæ. Viewed from behind.
Muscles of male perineum.

The arteries of the pelvis.
Sacral plexus of the right side.
Iliac colon, sigmoid or pelvic colon, and rectum seen from the front, after removal of pubic bones and bladder.
The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx.
Male pelvic organs seen from right side.
Anatomy of the human anus.