Crazy bone and Nervus ulnaris

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.

Nervus ulnaris and crazy bone are semantically related. In some cases you can use "Nervus ulnaris" instead a noun phrase "Crazy bone".

Nervus ulnaris 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 nervus ulnaris are semantically related. Sometimes you can replace phrase "Crazy bone" with "Nervus ulnaris", this phrases are similar.