Espiral Atlas
Anatomical regionAbdomen

Lumbocostal triangle (Bochdalek's triangle)

trigonum lumbocostale

An area without muscle in the back of the diaphragm, between the costal part and the lumbar part: it lies between the tip of the 11th rib and the 12th rib, just above the lateral arcuate ligament (which passes over the quadratus lumborum).

Abdomen – 3D human anatomy atlas

In the full entry

The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.

  • Contents
  • Clinical

Related clinical cases

  • Rupture of the diaphragm and diaphragmatic hernia

Other structures in this region

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