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.[1]

Inguinal triangle
Internal (from posterior to anterior) view of right inguinal area of the male pelvis.

Inguinal triangle is labeled in green. The three surrounding structures:
inferior epigastric vessels: Run from upper left to center.
inguinal ligament: Runs from upper right to bottom left.
rectus abdominis muscle: Runs from upper left to bottom left, labeled rectus at upper left.
External view.

Inguinal triangle is labeled in green. Borders:
inferior epigastric artery and vein: labeled at center left, and run from upper right to bottom center.
inguinal ligament: not labeled on diagram, but runs a similar path to the inguinal aponeurotic falx, labeled at bottom.
rectus abdominis muscle: runs from upper left to bottom left.
Details
Identifiers
Latintrigonum inguinale
TAA10.1.02.433
FMA256506
Anatomical terminology

Boundaries

It is defined by the following structures:[2]

This can be remembered by the mnemonic RIP (Rectus sheath (medial), Inferior epigastric artery (lateral), Poupart's ligament (inguinal ligament, inferior).

Clinical significance

The inguinal triangle contains a depression referred to as the medial inguinal fossa, through which direct inguinal hernias protrude through the abdominal wall.[3]

See also

References
  1. synd/3216 at Who Named It?
  2. Courtney M. Townsend Jr., MD, R. Daniel Beauchamp, MD, B. Mark Evers, MD and Kenneth L. Mattox, MD (2008). "Ch.43". Sabiston Textbook of Surgery (18th ed.). Elsevier. ISBN 978-1-4160-5233-3.CS1 maint: multiple names: authors list (link)
  3. MedNote. Red Anatomy. URL: http://www.mednote.co.kr/Rednote/RedAnatom.htm. Accessed December 15, 2005.
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