Occasionally accessory bones are found in the carpus, but of more than 20 such described bones, only four (the central, styloid, secondary trapezoid, and secondary pisiform bones) are considered to be proven accessory bones. Sometimes the scaphoid, triquetrum, and pisiform bones are divided into two.
perforce definition: by or through necessity; necessarilyOrigin of perforceMiddle English par force from OFr: see per and force...
To regard or consider; deem: an old technology that is still perceived as useful; a politician who is perceived to be a dissembler. [Middle English perceiven, from Old French perceivre, from Latin percipere : per-, per- + capere, to seize; see kap- in Indo-European roots.] perÂ·ceivâ²aÂ·ble adj.