THE ULNA. 

 Fig. 296. 



■-f""-' Ji -■■- -i=»i Olecranon tip 



'« Greater sigmoid cavity 



\ 



/Coronoid 

 process 



2«3 



Lesser sigmoid 



cavity 



-Supinator ridge 



Oblique 

 line- 



Posterior 



border 





/ v^ 



Jnterosseous border 

 -Vertical ridge 



t 



Triceps 



Anconeus-X- 



Ext. carpi ulnaris— 



Ext. ossis met. pollicis 



Ext. long, pollicis 



— Ext. indicts 



Groove for ext.. 

 carp, ulnar. 



m 



A 



Head 



Styloid process . 



Right ulna, outer aspect. The outline figure shows the areas of muscular attachment. 



