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The trabeculae carneae are muscular, columnar protrusions found on the internal surface of the ventricles, the main pumping chambers of the heart. It is thought that they help prevent suction that would occur with a smooth surface.he trabeculae carneae are muscular, columnar protrusions found on the internal surface of the ventricles, the main pumping chambers of the heart. It is thought that they help prevent suction that would occur with a smooth surface.
trabeculae carneae of (right and left) ventricles. Definitions: 1. muscular bundles on the lining walls of the ventricles of the heart.Synonyms: trabeculae carneae ventriculorum (dextri et sinistri) , columnae carneae, Rathke bundles. The definition information for trabeculae carneae of (right and left) ventricles is provided by Stedman's.You can search our medical dictionary here. Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.rabeculae carneae of (right and left) ventricles. Definitions: 1. muscular bundles on the lining walls of the ventricles of the heart.