Definition: Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae.
Manual 21.52 as test tissue; for diseases of papillary muscles coordinate IM with MYOCARDIAL DISEASES; / growth: coordinate with MUSCLE DEVELOPMENT; / embryol: coordinate with MUSCLE DEVELOPMENT if pertinent
See AlsoChordae Tendineae
Other names Papillary Muscle; Muscles, Papillary; Muscle, Papillary