Triquetral bone and Wrist bone

Triquetral bone noun - A wrist bone that articulates with the pisiform and hamate and lunate bones.

Wrist bone and triquetral bone are semantically related. In some cases you can use "Wrist bone" instead a noun phrase "Triquetral bone".

Wrist bone noun - Any of the eight small bones of the wrist of primates.

Triquetral bone and wrist bone are semantically related. Sometimes you can replace phrase "Triquetral bone" with "Wrist bone", this phrases are similar.