THE PERIPHERAL NERVOUS SYSTEM. 389 
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a 
Fic. 160.—BLOOD-VESSELS AND THE MORE 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. 1, M. clavobrachialis; 2, cut 
end of M. pectoralis major; 3, cut end of M. pectoralis 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. @, branches of the thyrocervical axis to clavo- 
brachial and clavotrapezius muscles; 4, suprascapular nerve; ¢, first subscapular 
nerve; @, musculocutaneous nerve; ¢, median nerve; f, V. axillaris; g, A. axillaris; 
A, first anterior thoracic nerve, accompanied by the anterior thoracic artery and vein; 
z, V. subscapularis; 7, large muscular branch (to subscapular muscle) of the sub- 
scapular vein and brachial artery; /, A. subscapularis; 7’, A. circumflexa humeri 
anterior; 7, radial nerve; 7, ulnar nerve; 0, medial cutaneous nerve; #, A. tho- 
racica longa; g, 7, second anterior thoracic nerve; s, V. thoracica longa; ¢, A. and 
V. thoracicodorsalis; 2%, 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. 
