The large process at the proximal end of the ulna which projects behind the articulation with the humerus and forms the bony prominence of the elbow.

Tip of the elbow.

Greek olene = ulna, and kranion = upper part of head; hence, the upper end of the ulna.

The projection of the ulna (the larger of the two bones in the forearm) at the elbow.

process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended

The 'funny bone'. An extension of the Ulna at the elbow joint

(G. olene, ulna + kranion). Curved, pointed proximal end of the ulna.

Gr. olenokranon, from olene = elbow, and kranos = helmet. In other words, the protector of the elbow. The pectoral limb analog of the knee cap (patella). Occurs as a proximal extension of the ulna, important as attachment for extensor muscles of the forelimb.

Part of the ulna which forms the "point" of the the elbow.

The olecranon is a large, thick, curved eminence, situated at the upper and back part of the ulna.