Crazy bone and Ulnar nerve

Crazy bone noun - A point on the elbow where the ulnar nerve passes near the surface; a sharp tingling sensation results when the nerve is knocked against the bone.

Ulnar nerve and crazy bone are semantically related in elbow point topic. In some cases you can use "Ulnar nerve" instead a noun phrase "Crazy bone".

Ulnar nerve noun - A nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand.

Crazy bone and ulnar nerve are semantically related in elbow point topic. You can use "Crazy bone" instead a noun phrase "Ulnar nerve".