Plate 1: Figure 1: A photograph of the right ventricle of mature camel heart showing the papillary muscle (P), chordae tendineae (arrow head), valve flaps or cusps (Flaps) and the moderator band (arrow). Figure 2: A photograph of the left ventricle of mature camel heart showing the papillary muscle (P), chordae tendineae (arrow), and the valve flap (Flap).