ulna /ul·na/ (ul´nah) pl. ul´nae [L.] the inner and larger bone of the forearm.
ulna
ul·na ( l n )n. pl. ul·nas or ul·nae (-n  ) The larger bone of the two bones of the forearm, extending from elbow to wrist on the side opposite the thumb. Also called cubitus, elbow bone. ul nar adj. |
ulna
[ul′nə]
Etymology: L, elbow
the bone on the medial or little finger side of the forearm, lying parallel with the radius. Its proximal end bulges into the olecranon and the coronoid processes and dips into the trochlear and radial notches. The ulna articulates with the humerus and the radius. Also called elbow bone. See also radius.
ulna
together with the radius, forms the skeleton of the forearm. See Table 10.
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