NCIt definition : The fifth and the most lateral of five miniature long bones located in the palm of
the hand, which articulates proximally with the hamate and fourth metacarpal at the
carpometacarpal joint and distally with the small finger phalanx at the metacarpophalangeal
joint.;
Alternative definition : CDISC: The fifth of the five long bones located in the palm of the hand, as counted
from the thenar side of the hand; it articulates proximally with the hamate and fourth
metacarpal, and distally with the fifth phalanx (small finger).;