Inguinal triangle

In human anatomy, the inguinal triangle is a region of the abdominal wall. It is also known by the eponym Hesselbach's triangle, after Franz Kaspar Hesselbach.

Boundaries
It is defined by the following structures:
 * rectus abdominis muscle (medially)
 * inguinal ligament (inferiorly)
 * inferior epigastric vessels (superior and laterally).

Clinical significance
It is the region in which direct inguinal hernias protrude through the abdominal wall.