There are some other bones in there that make up the carpus between the radius and the ulna (i.e., scaphoid, lunate, triquetral, pisiform, trapezium, trapezoid, capitate, and hamate) and the corresponding ones that make up the tarsus between the tibia and the fibula (i.e., talus, calceneus, cuneiform, cuboid, and navicular bones).

Ceci n'est pas un seing.