Dictionary > Trabeculae carneae

Trabeculae carneae

Definition
noun
Muscular ridges that crisscross and project from the inner walls of the heart ventricles.
Supplement
Their structure is important to their role. Had the inner surface of heart ventricles been flat, suction could occur and this would impair the heart’s ability to pump efficiently.
Word origin: Latin trabeculae (beam) + carneae (flesh)
Synonyms:

Compare: papillary muscle

See also: ventricle, Reils band


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