KERMOAL / BSIP / SCIENCE PHOTO LIBRARY KERMOAL / BSIP / SCIENCE PHOTO LIBRARY
Bones of the hand. Artwork of a frontal (palm side up) view of the bones of the hand and wrist. The thumb is at right. In the carpus (lower centre), the scaphoid (right) and lunate (left) bones articulate with the radius and ulna respectively to form the wrist joint. The triquetrum is just to the left of the lunate. The five bones forming the upper border of the carpus, left to right, are the pisiform, hamate, capitate, trapezoid and trapezium. Above these are the five metacarpals, followed by the 14 phalanges of the hand (finger bones). There are a total of 27 bones in the hand.
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