Inguinal triangle

Inguinal triangle
	Internal 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 not labeled, but region can be inferred, albeit less clearly than with the diagram above:; 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.
Latin	trigonum inguinale
Gray's	subject #286 1321

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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]

[edit] Boundaries

It is defined by the following structures:^[2]

This can be remembered by the mnemonic RIP (as direct inguinal hernias rip directly through the abdominal wall).

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

^ synd/3216 at Who Named It?
^ "Ch.43" (in English). Sabiston Textbook of Surgery (18th ed.). Elsevier. 2008. ISBN 978-1-4160-5233-3.
^ MedNote. Red Anatomy. URL: http://www.mednote.co.kr/Rednote/RedAnatom.htm. Accessed December 15, 2005.

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Inguinal triangle

Internal 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 not labeled, but region can be inferred, albeit less clearly than with the diagram above: 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.
Latin	trigonum inguinale
Gray's	subject #286 1321