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Laboratory 40. Posterior Abdominal Wall
Step 8. Major Openings in the Diaphragm

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Identify the major openings of the diaphragm:
  • The hiatus of the inferior vena cava is located in the tendinous portion of the diaphragm at the level of the T8 vertebra.
  • The esophagal hiatus is located in the muscular portion of the diaphragm at the level of the T10 vertebra.
  • The aortic hiatus is located posterior to the median arcuate ligament of the diaphragm at the level of the T12 vertebra.

Links and References:
Grant's: 2.100
Netter: 181
Rohen/Yokochi: 314