Diaphragmatic apertures

Dr Henry Smith and Dr Jeremy Jones et al.

The diaphragmatic apertures are a series of apertures that permit the passage of structures between the thoracic and abdominal cavities. There are three main apertures:

The vertebral levels of these apertures can be remembered by this mnemonic or by the number of letters in the spelling of vena cava (8), esophagus (10) and aortic hiatus (12).

There are also several smaller lesser apertures.

Anatomy: Thoracic
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Article information

rID: 5765
System: Vascular, Chest
Section: Anatomy
Tag: refs
Synonyms or Alternate Spellings:

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  • Diaphragm (under-surface)
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