![]() ![]() The straight ligament proximally attaches like the oblique, but attaches as a flat band to the edge of the complementary fibrocartilage of the proximal end of the middle phalanx.The oblique ligament is a triangular shaped ligament, the base of which attaches to the sesamoids and their interconnecting ligament and the point attaches to the rough palmar aspect of the proximal phalanx.They lie superficial to the short ligaments. The cruciate ligaments are paired ligaments from the base of the sesamoids that diagonally cross to attach to the proximal phalanx. ![]() The short ligaments connect the axial base of the sesamoids to the lateral/medial aspect on the palmar margin of the proximal phalanx.These ligaments include the short ligaments, cruciate ligaments, oblique ligament, straight ligament and the palmar annular ligament. Distal sesamoid ligaments are a collection of ligaments that are very marked in the horse and connect the distal surface of the sesamoids to the palmar aspect of thephalanx.Collateral sesamoid ligaments connect the outer aspect of the sesamoids to the proximal phalanx and there is a distinct branch that attaches to the third metacarpal.The palmar aspect of it forms a groove for the deep flexor tendon to run in, allowing frictionless movement. Palmar/intersesamoidean ligament is a mass of fibrocartilage that embeds the sesamoid bones.Collateral ligaments bind the metacarpal bone to the proximal phalanx, with a deep branch attaching to the sesamoid bone. ![]()
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