illl I] I H J BAND. 



ridge is situated opposite to the similar] 



by the radius, the maining mar 



The three surfa< xhibit 



volar - irl the nutrient foramen, the nutt 



a proximal direction thi 



The broad inferior extremit) I 

 distinctly differentiated. 'I h< int 

 the ulnar < . \vhi< h 



to this the radial side, the I 



the it is broader and 1 inted than th< 



The '. if the- inf( mity (Fig. 



dorsal suri 



of the exl the hand and • 



tendon of the ext< nsor pollicis longu 



The distal or carpal articu 

 usually distinctly subdivided it I . hich t 



with the scaphoid and semilunar 



The radiu- rter than the ulna and tl 



nd the proximal the radius and tl 



curved, but in an op] 

 also exhi 



In supinati 1 anrl tl 



120); in 



the ulna, while tin- head of the radius 

 other, the radius articulates with the humerus and th> 



Th< lird 



fetal month, while the nu r until t: 



ry nui lei the tul» 



ficati until the twentieth ; 



The Boxes of the Hand, 

 the carpal bones. 



The eight bones of the carpus V\^>- 126 to 131 d in a 



row. Passing from the radial to the ulnar side th 

 scaphoid hunt', the lunate or semilunar bone, the 

 bone. Passing in the same direction, the distal row : 



bone or trap, multangular I r the trc \um, 



and the hamate or unciform bone. 



The bones of the proximal r really the first three onl 

 line, Init arc curved so as to form an arch which is slightly convex proximally and markedly 

 concave distally (Figs. 128 and 129). In the distal row the capitatum projects markedly toward 

 the proximal row and is accommodated by its concavity. 



