Anal triangle

The anal triangle is the posterior part of the perineum. It contains the anal canal.Articulations of pelvis. Posterior view.The superficial branches of the internal pudendal artery.The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx. The anal triangle is the posterior part of the perineum. It contains the anal canal. The anal triangle can be defined either by its vertices or its sides. Some components of the anal triangle include: