Surgical Anatomy

Hasselbach's Triangle is defined as follows:

Laterally: The Inferior Epigastrics artery and vein
Medially: The Rectus Sheath
Inferiorly: The Inguinal Ligament
Posteriorly: Transversalis Fascia

Hernias medial to the epigastric vessels that enter te inguinal canal via Hasselbach's Triangle are Direct Hernias. Hernias that enter the canal via the internal (deep) inguinal ring, are indirect hernias.

New York University School of Medicine
Hernia Repair
Department of Surgery
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