BRANCHES OF THE ULNAR NERVE. 



Fig. 361 Fi?. S62. 



589 



Fig. 361. — Deep View of the Anterior Nerves of the Shoulder and Arm (from 

 Sappey after Hirschfeld and Leveille). ^ 



1, mnsculo-cutaneous nerve ; 2, its twig to the coraco-brachialis muscle ; 3, its branch 

 to the biceps ; 4, its branch to the brachialis anticus ; 5, twig of union with the median 

 nerve (a variety) ; 6, continuation of the nerve in its cutaneous distribution ; 7, musculo- 

 spiral nerve in the interval between the brachialis anticus and supinator Icngus ; 8, 

 inferior external cutaneous branch of the musculo-spiral ; 9, the internal cutaneous and 

 small internal cutaneous nerves divided ; 10, anterior branch of the internal cutaneous ; 

 11, median nerve ; to the inside the ulnar nerve is crossed by the line from 11. 



Fig. 362. — Deep View of the Anterior in'ertes of the Forearm and Hand (from 

 Sappey after Hirschfeld and Leveille). ^ 



12, the median nerve ; 13, its branches to the pronator teres ; 14, branch to the super- 

 ficial flexor muscles, which have been removed ; 15, branch to the flexor digitorum pro- 

 fundus ; 16, branch to the flexor longus pollicis ; 17, anterior interosseous branch ; 18, 

 cutaneous palmar branch cut short ; 19, branches to the short muscles of the thumb ; 

 20, 21, collateral branches to the thumb ; 22, 23, 24, collateral branches to the second, 

 third, and fourth fingers ; 25, branch given by the ulnar nerve to the flexor carpi ulnaris ; 

 26, branch to the flexor digitorum profundus ; 27, cutaneous communicating twig ; 28, 

 dorsal branch of the ulnar ; 29, superficial palmar branch ; 30, 31, collateral branches 

 to the fourth and fifth fingers ; 32, deep palmar branch ; 33, its branch to the short 

 muscles of the little finger ; 34, 35, 36, twigs given by the deep branch of the ulnar to 

 the third and fourth lumbricales, all the interossei, and the adductor pollicis. 



