The horse's metacarpus and digit from the inner side

The horse's right fore limb from the lower end of the forearm to the hoof, seen from the inner side with the skin off, on a 1922 lithograph (McFadyean, Plate IX): thirty-six structures in Latin – the cut flexors of the metacarpus with the median artery dividing into the large and the small…

A real anatomical diagram. Hover any part to see its name, click to answer the quiz question.