unciform bone 【医】 钩骨
unciform bone[ noun ]
the wrist bone in line with the 4th and 5th fingers
<noun.body>
Unciform \Un"ci*form\, a. [L. uncus a hook + -form.]
Having the shape of a hook; being of a curved or hooked from;
hooklike.
{Unciform bone} (Anat.), a bone of the carpus at the bases of
the fourth and fifth metacarpals; the hamatum.