"Ulna" Quotes from Famous Books
... shoulder to the elbow. At the elbow, which is the first angle of the wing, reaching backward when the wing is folded, the humerus articulates in a wisely designed way with two other bones, called the ulna and radius, which together constitute the forearm and extend to the wrist joint. It must be remembered that, when the wing is closed, the forearm is the segment that reaches obliquely forward. The wrist joint is the second angle of the wing. In the wrist there are two small bones (the ... — Our Bird Comrades • Leander S. (Leander Sylvester) Keyser
... THE DEEP FLEXOR OF THE PHALANGES.—This muscle consists of three easily-divided portions: an ulnar, a humeral, and a radial, and has for points of origin the olecranon process of the ulna, the inner condyloid ridge of the humerus, and the posterior surface of the radius. These portions are continued by a common tendon which enters the carpal sheath with the tendon of the perforatus, and ... — Diseases of the Horse's Foot • Harry Caulton Reeks |