On the anterior or extensor surface of the limb a powerful tendon (7 in fig.
9, Tendon of deep flexor (fl.
The top bone is the os calcis, or hock bone, to which the tendon Achilles is attached.
14, The podophyllous or laminar 7, Tendon of anterior extensor membrane, and of the phalanges.
Its elastic tendon runs directly to the carpus, forming thereby the outer margin of the anterior patagium, or fold of skin between the upper and forearm, which it serves to extend, together with the propatagialis brevis muscle.