The correct option is B Pisiform
The forelimb consists of vertebrates is made up of the humerus, radius and ulna, carpals, metacarpals, digits or phalanges. The humerus is a large head fitting into the glensoid fossa, the anterior side of the humerus is slightly elevated into ridges or crests. The pisiform is the sesamoid bone formed in the tendon and the distal row is made up of the first carpel, second carpel, central, capitate and hamate (fused fourth and fifth carpels).