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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.
According to Gray's anatomy online I quote The trabeculae trabeculÃ¦ (carneae? carneÃ¦?) column carne are rounded or irregular muscular columns which project from the whole of the inner surface of, the ventricle with the exception of the. conus arteriosusccording to Gray's anatomy online I quote The trabeculae trabeculÃ¦ (carneae? carneÃ¦?) column carne are rounded or irregular muscular columns which project from the whole of the inner surface of, the ventricle with the exception of the. conus arteriosus