what does the fibrous skeleton of the heart consist of
The cardiac skeleton consists of four bands of dense connective tissue, as collagen, that encircle the bases of the pulmonary trunk, aorta, and heart valves.While not a true skeleton, it does provide structure and support for the heart, as well as isolating the atria from the ventricles.he cardiac skeleton consists of four bands of dense connective tissue, as collagen, that encircle the bases of the pulmonary trunk, aorta, and heart valves.