noun, plural ul·nae [uhl-nee] /ˈʌl ni/, ul·nas.
Origin of ulna
Examples from the Web for ulna
The hand deviates to the radial side, and thereby still further increases the prominence caused by the lower end of the ulna.
The development of the fibula in general corresponds to that of the ulna.
The radius and ulna are nearly equal in size and each consists of a long shaft terminated at either end by an epiphysis.
The ulnar carpal (fig. 57, 5) is a somewhat larger, more irregular bone, lying adjacent to the end of the ulna.
The odontoid process of the second vertebra is pig-like: and the tibia and fibula and radius and ulna are severally distinct.
British Dictionary definitions for ulna
noun plural -nae (-niː) or -nas
Word Origin for ulna
Word Origin and History for ulna
inner bone of the forearm, 1540s, Latin, literally "elbow;" related to Old English eln (see elbow (n.)).