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ulna: Meaning and Definition of

ul•na

Pronunciation: (ul'nu), [key]
— pl. -nae -nas.
  1. the bone of the forearm on the side opposite to the thumb. Cf.(def. 7). See diag. under
  2. a corresponding bone in the forelimb of other vertebrates.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
ulmaceous ulno-
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