Normal adult right elbow. This is the anteroposterior (AP) image.
C: coronoid process of the ulna; CA: capitellum; F: olecranon fossa of the humerus; H: humerus; M: medial epicondyle; N: radial neck; O: olecranon process of the ulna; R: radial head; T: radial tubercle; TR: trochlea of the humerus; U: ulna.