THE LIMBS OF THE HORSE 



49 



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

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

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

 terminal branches of the median. 



M. extensor 



IJ. braehialis 



M. extensor disi- 

 torum communis. 



A. collaterali; 

 radialis. 



N. radialis. 



l _ _ r^s,—^ _,' '- >i= - - Radius. 



liig. eollaterale 

 mediale. 



N. medianus. 



A. mediana. 

 V. nied 



M. tiexor carpi 



M. pt 



supe 



M. extensor digiti 

 quinli. 



M. extensor digi- 

 tornm communis. 



A. inteiossea 

 dorsal is. 



Ulna. 



M . extensor carpi 

 ulnaris. 



M. flexor digitorum 

 profundus (caput 

 hunierale). 



M. flexor digitorum 

 profundus (caput 

 ulnare). 



M. flexor carpi ulnaris. 



M. flexor digitorum subliniis 



M. flexor carpi ulnaris 

 (caput ulnare). 



V collateralis ulnaris. 

 A. collateialis ulnaris. 



N. ulnaiis. 

 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 subliniis, and the ulnar head of the flexor digitorum profundus. 



A. COLLATERALIS ULNARIS (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 



