THE RADIUS 



81 



of the anterior surface is the bicipital tuberosity (Tu])erositas radii), into which 

 the biceps tendon is inserted. The internal tuberosity is continuous with the pre- 

 ceding eminence, and furnishes attachment to the short part of the internal lateral 



Processus ..J'^yL^. 

 anconccus \^ 



Coronoid 

 process \ 



Bicipital 

 tuberosity 



I'roxitnal 

 I diental 

 tuberosity 

 of radius 



Proximal ~^ 



external 

 tuberosity 

 of 7-adius 



Proximal 

 internal 

 tuberosity 

 of radius 



' Interosseous space 



\^ 



Distal external 

 tuberosity of 

 radius 



\ v/' M 



Fig. 48. — Left Radits axij I i.xa of Horse, Exter- 

 nal View. (.A.fter Schmaltz, Atlas d. Anat. d. 

 Pferdes.) 



Distal 



external 



tuberosity 



of radius 



\ ,f I 



Fossa 



Distal 

 external 

 tuberosity 

 of radius 



Facet for ulnar 

 carpal 



Facet for radial 

 carpal 



Fig. 49. — Left Rahius and Ulna of Horse, Pos- 

 terior View. (After Schmaltz, Atlas d. Anat. 

 d. Pferdes.) 



ligament. The external tuberosity is more salient; it gives attachment to the 

 external lateral ligament and to the anterior and lateral extensor muscles of the 

 digit. 



The distal extremity is also compressed from before backward. It presents 

 6 



