Sternocostal triangle

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Sternocostal triangle

The diaphragm. Under surface. Foramina of Morgagni not labeled, but costal and sternal attachments are visible near top.)

With captions (labels in German.)
Latin	trigonum sternocostale
Gray's	subject #117 406

The sternocostal triangle or foramina of Morgagni (sing.: foramen of Morgagni) are small zones lying between the costal and sternal attachments of the thoracic diaphragm. Important vessels that pass through these bilateral foramina include the superior epigastric arteries as terminations of the internal thoracic arteries, with accompanying veins and lymphatics.

Also known as sternocostal hiatus or (Larrey's) triangle.^{[citation needed]}

Eponym

It is named for Giovanni Battista Morgagni.^[1]

Pathology

It can be a site of Morgagni's hernia.

References

↑ synd/293 at Who Named It?

External links

Thoracic diaphragm (TA A04.4.02, GA 4.404)

General

Central tendon Crus of diaphragm

arcuate ligaments	Lateral Medial Median

Openings

major:	Caval opening Esophageal hiatus Aortic hiatus

minor:	Sternocostal triangle Lumbocostal triangle

M: MUS, DF+DRCT

anat (h/n, u, t/d, a/p, l)/phys/devp/hist

noco (m, s, c)/cong (d)/tumr, sysi/epon, injr

proc, drug (M1A/3)

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