THE PERIPHERAL NERVOUS SYSTEM. 



389 



FIG. 160. BLOOD-VESSELS AND THE MORF, VENTRAL NERVES OF THE AXILLA. 



VENTRAL VIEW. 



The pectoral and clavobrachial muscles have been cut and laid aside, their ends 

 being shown; only a part of the nerves are exhibited. I, M. clavobrachialis; 2, cut 

 end of M. pectoralis major; 3, cut end of M. pecloralis minor; 4, M. biceps; 5, M. 

 teres major; 6, M. epitrochlearis, partly cut and turned back; 7, M. latissimus dorsi, 

 partly cut; 8, M. pectoralis minor; 9, M. pectoralis major; 10, short portion of 

 caput mediale of M. triceps brachii. a, branches of the thyrocervical axis to clavo- 

 brachial and clavotrapezius muscles; />, suprascapular nerve; c, first subscapular 

 nerve; d, musculocutaneous nerve; e, median nerve; f, V. axillaris; g, A. axillaris; 

 h, first anterior thoracic nerve, accompanied by the anterior thoracic artery and vein; 

 i, V. subscapularis; j, large muscular branch (to subscapular muscle) of the sub- 

 scapular vein and brachial artery; /, A. subscapularis; /', A. circumflexa humeri 

 anterior; m, radial nerve; , ulnar nerve; <?, medial cutaneous nerve; /, A. tho- 

 racica longa; q, r, second anterior thoracic nerve; s, V. thoracica ionga; f, A. and 

 V. thoracicodorsalis; , A. pofunda brachii; v, branch of brachial artery accom- 

 panying medial cutaneous nerve; w, branch of A. collateralis radialis superior; x, A. 

 collateralis radialis superior; y, V. mediana cubiti; z, A. collateralis ulnaris. 



