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Ulna   Listen
noun
Ulna  n.  
1.
(Anat.) The postaxial bone of the forearm, or brachium, corresponding to the fibula of the hind limb. See Radius.
2.
(O. Eng. Law) An ell; also, a yard.





Collaborative International Dictionary of English 0.48


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"Ulna" Quotes from Famous Books



... bones firmly united together, would follow from their use in flight and their disuse as digits, and it would seem, from the fact that the flight-feathers must have been always on the posterior edge of the wing, and that the ulna is larger than the radius, that the three digits which have persisted are the 3rd, 4th, and 5th, and not the 1st, 2nd, and 3rd as usually taught. A comparison of the hind-limbs of birds with those of bats and pterodactyls suggests strongly that the patagium flyers ...
— Hormones and Heredity • J. T. Cunningham


Words linked to "Ulna" :   forearm, olecranon, elbow bone, olecranon process


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