Bones of the Upper Extremity. 



99 



C^N 





v 15r m^ ; 



125 132. The Bones of the Right Wrist, Ossa carpi 



from the dorsal side. 



The wrist, Carpus, is composed of eight small bones, held together 

 by tense ligaments; they are, enumerated from the radial to the ulnar side: 



Upper row: 1 . The scaphoid bone, Os scaplioideum ; 2. the 

 semilunar, Os semilunare ; 3. the cuneiform, Os cuneiforme ; 4. the 

 pisiform, Os pisiforme, which latter is not articulated with the bones 

 of the forearm. 



Lower row: 5. The trapezium, Os trapezium ; G- the trap e- 

 zoid, Os trapczoides ; 7. the Os magnum; S. the unciform, Os unciforme. 



The articulations of each bone are evident from the drawing. 



