ulna به انگلیسی
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From Longman Dictionary
ul‧na /ˈʌlnə/ noun (plural ulnae /-niː/) [countable]
medical the inner bone of your lower arm, on the side opposite to your thumb
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Example
Right arm, compound spiral fractures or radius and ulna
Also in a remarkable state of preservation is a flute made h-am the ulna at Vulture
A shinbone was broken, twisted – as was the ulna in one arm, and several ribs