290 



HUMAN ANATOMY. 



Fig. 303. 





Head 



Neck 



Bursal surface 

 Tuberosity 



Biceps tendon 



Oblique line 



Supinator brevisi. 



I Biceps 





Pronator radii teres^ 



Brachio-radialiS' 



Flex, sublimis 

 digitorum 



—Flex. long, pollicis 



Pronator quadratus 



i^ \ 



- Nutrient foramen 



Interosseous border 



Anterior border. 



'','-1 1 



Groove for ext .^J^'ii-'i' i'it',i['llimi^W'.7Fi.':\i,(^ 



os.tnct.pol. iB>*,^i' •" 

 Groove for e xt .'^^m-^'^'/i'&^^T^A 

 brevis pal. 



Semilunar surface 

 Scaphoid surface 

 Styloid process 

 Right radius from before. The outline figure shows the areas of muscular attachment. 



Sigmoid 

 ■"•cavity for 

 ulna 



