142 



OSTEOLOGY. 



facet, for articulation with the pisiform ; and. is rough externally, for ligamentous 

 attachment. Its external surface, the base of the pyramid, is marked by a flat, 

 quadrilateral, smooth facet, for articulation with the semilunar. The internal 

 surface, the summit of the pyramid, is pointed and roughened, for the attachment 



of the internal lateral ligament of the wrist. 



Fig. 94. Bones of the Left Hand. Dorsal Surface. 



Ca rp at 



Phalange* 

 12 Row 



2? Row 



