What is the scientific name for digital bones in the hands and feet of most vertebrates?
The phalanges are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. Fingerbones and toebones are what people commonly call them, knuckles are the joint between the phalange bones, and femurs are the upper thigh bones.