A band of soft, pliable horn termed the '''periople''' (analagous with the cuticle of human nails) lies over the proximal outer surface of the wall. This band widens at the back of the hoof to also cover the '''bulbs of the heels''' and part of the '''frog'''. | A band of soft, pliable horn termed the '''periople''' (analagous with the cuticle of human nails) lies over the proximal outer surface of the wall. This band widens at the back of the hoof to also cover the '''bulbs of the heels''' and part of the '''frog'''. |