Espiral Atlas
Anatomical regionAbdomen

Aortic hiatus

hiatus aorticus

An opening in the posterior part of the diaphragm, between the right and left crura, behind the median arcuate ligament, which lies at the level of the lower border of vertebra T12. The aorta does not pierce the muscle: it passes between the crura.

Abdomen – 3D human anatomy atlas

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