Vertical section of Horse’s Foot. a. Large pastern, b. Extensor pedis. 
c. Small pastern, d. Navicular bone. e. Pedal bone, f Wall of hoof. 
g. Superficial flexor, or perforatus tendon, h. Deep flexor, or perforans 
tendon, i. Insertion of one of the branches of the perforatus tendon 
into the side of the second phalanx. 1c. Gliding surface on the poste- 
rior face of the second phalanx. /. Elastic transverse or coronary 
suspensory ligament, m. Superior ligament of the navicular bone — a 
continuation of the former, n. Synovial capsule of the navicular bone 
and flexor tendon, o. Inferior or interosseous ligament, p. Insertion 
of the deep flexor into the pedal bone. q. Plantar cushion, r. Horny 
frog. 
