Dictionary

ulna

noun ul·na \ˈəl-nə\

medical : the bone in the lower part of your arm on the side that is opposite to your thumb

plural ul·nae \-nē\ or ulnas

Full Definition of ULNA

:  the bone on the little-finger side of the human forearm; also :  a corresponding part of the forelimb of vertebrates above fishes
ul·nar \-nər, -ˌnär\ adjective

Origin of ULNA

New Latin, from Latin, elbow — more at ell
First Known Use: 1541
ULNAS Defined for Kids

ulna

noun ul·na \ˈəl-nə\
plural ul·nas or ul·nae \-nē\

Definition of ULNA for Kids

:  the bone on the little-finger side of the arm between the wrist and elbow
Medical Dictionary

ulna

noun ul·na \ˈəl-nə\
plural ul·nae \-nē\ or ul·nas

Medical Definition of ULNA

:  the bone on the little-finger side of the human forearm that forms with the humerus the elbow joint and serves as a pivot in rotation of the hand

Illustration of ULNA

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June 30, 2015
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