sternocostal triangle (of diaphragm)

(redirected from trigonum sternocostale diaphragmatis)

sternocostal triangle (of diaphragm)

[TA]
fibrous (nonmuscular) area of diaphragm between the muscular slips of the sternal part of the diaphragm and the costal part; when it fails to form congenitally, the consequent foramen of Morgagni may allow herniation of abdominal viscera into the thorax.
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