Lab 3 - Image 1

Equine distal forelimb bones. 1, P1 = long pastern bone; 2, P2 = short pastern bone; 3, P3 = coffin bone; 4, metacarpal 3 = cannon bone; 5, proximal sesamoid bone abaxial surface; 6, medial splint bone = mc2; 7, metacarpal tuberosity (insertion of ext. carpi radialis m.); 8, carpal 3; 9, basal surface of proximal sesamoid bone; 10, tuberosity for attachment of the superficial digital flexor tendon; 11, partial ossification of the cartilage of P3; 12, extensor process of P3; unlabeled arrow, depression for collateral ligament of the distal interphalangeal (DIP) joint.