Anal triangle

Definition

The anal triangle is a region of the human body located in the perineum that encompasses the anus and its surrounding structures. It's distinguished from the urogenital triangle in anatomy, focusing on supporting and controlling the excretory functions.

Related terms

Perineum: The area between the anus and genitals, comprising both the anal triangle and urogenital triangle.

External anal sphincter: A muscle that encircles the anus, controlling the passage of feces.

Levator ani: A broad, thin muscle situated on either side of the pelvis, which helps support the organs of the pelvis including those in the anal triangle