• The inguinal triangle (Hesselbach’s triangle) is a region in the anterior abdominal wall. It is alternatively known as the medial inguinal fossa.
• demarcates an area of potential weakness in the abdominal wall through which herniation can occur.

Borders

The inguinal triangle is located within the inferomedial aspect of the abdominal wall. It has the following boundaries:

• Medial – lateral border of the rectus abdominis muscle.
• Lateral – inferior epigastric vessels.
• Inferior – inguinal ligament.