the.com/ulna

the longer forearm bone whose pointy end is the elbow you keep banging on doorframes

means The ulna is the longer of the two forearm bones, running on the pinky side from elbow to wrist, with its top end forming the bony point of the elbow.

from Straight from Latin ulna, meaning 'elbow' or 'forearm.' It belongs to a wide family of arm-and-length words across Indo-European languages — a likely cousin of Greek ōlénē ('elbow') and of English 'ell' and 'elbow' themselves. Fittingly, the same root sense of forearm-as-measuring-stick gave us 'ell,' an old unit of length roughly the span of the lower arm.

funny bone
the nerve there, not the bone, causes the zing
the point
its tip, the olecranon, forms your elbow
pinky side
runs along the side opposite your thumb
thins downward
thick at elbow, narrow near the wrist
for instance

ulna fracture in sports — common injury in baseball pitchers and boxers, affecting the forearm bone

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