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Related to funny bone: tickle my funny bone
funny bone,highly sensitive area at the back of the elbow where the ulnar nerve passes close to the surface of the skin in a groove between end prominences of the humerus (the upper arm bone) and the ulna (the large forearm bone). A blow to the area causes the nerve to compress against bone, producing a characteristic tingling in the forearm and the last two fingers.
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the area near the elbow where the ulnar nerve is close to the surface of the skin: when it is struck, a sharp tingling sensation is experienced along the forearm and hand
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005