THE LIMBS OF THE HOESE 



49 



nerve distributed over the lateral and dorsal surface of the carpus and 

 metacarpus. The ramus profundus, under the tendon of the ulnar 

 Hexor of the carpus, unites with the lateral volar nerve, one of the 

 terminal branches of the median. 



M. extensor carpi radial is 



X. cutaneus 

 aotibrachii 

 latei-alis. 



11. brachialis. 



V. cephalica, 



11. extensor digi- 

 torutn communis. 



A. collateralis 

 radialis. 



Lig. collaterale 

 mediale. 



V. medians. 



X. medianus, 



A. iiiediana. 



V. mediana. 



M. Hexor carpi radial 



M. pe<' 

 supe 



N. radialis. 



Radius. 



JVl. extensor digiti 

 quinti. 



M. extensor dig] - 

 torum communis. 



A. interossea 

 dorsal is. 



Ulna. 



.\1. extensor carpi 

 ulnar is. 



ir. flexor digitoruni 

 profundus (caput 

 humerale). 



_11. flexor digitoruui 

 profundus (capu t 

 ulnare). 



M. flexor carpi uliiaris. 



M. flexor digitorum sublimis. 



M. flexor carpi ulnavis V collateralis iilnaris. 



(caput ulnare). A. collateralis ulnaris. 



N. ulnaris. 



Fig. 31. — Section across the Forearm at the Level indicated by A in Fig. 30. 



Collateral branches leave the ulnar nerve in the proximal part of 

 the forearm and are distributed to the flexor carpi ulnaris, flexor digi- 

 torum sublimis, and the ulnar head of the flexor digitorum profundus. 



A. COLLATERALIS ULNAKis (PROXiMALis). — On its Origin from the 



brachial the collateral ulnar artery follows the distal border of the 



medial head of the triceps towards the elbow joint. Under cover of 

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