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Foramen of Morgagni

Dr Henry Knipe and Assoc Prof Craig Hacking et al.

The foramina of Morgagni, also known as the sternocostal triangles, are small defects in the posterior aspect of the anterior thoracic wall between the sternal and costal attachments of the diaphragm. The internal thoracic vessels descend through these foramina to become the superior epigastric vessels.

Related pathology

It is through these triangles, that Morgagni herniae occur.

Anatomy: Thoracic

Anatomy: Thoracic

Article information

rID: 39186
Section: Anatomy
Tag: refs, cases
Synonyms or Alternate Spellings:
  • Morgagni foramen
  • Morgagni foramina
  • Foramina of Morgagni
  • Sternocostal angles
  • Sternocostal angle

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Cases and figures

  • Figure 1: undersurface of the diaphragm
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