THE BRACHIAL ARTERY 



557 



Anterior deep __ 

 ■pectoral muscle 



Suprascapid'ir 



urlinj \/ 



Posterior deep pecto- 

 ral muscle 

 Tendon of panniculus 

 Nerve to biceps 

 Anterior circumflex 

 artery 

 Anterior superficial 

 pectoral muscle 



Extensor carpi radialis 

 Radius 

 Accessory cephalic vein _ 



_ Elboii joint 

 Fl( I or turpi 

 m<dtuf! 

 Fl< I or carpi 

 iiih I iius 

 l/iti inal lateral 

 Iniauiutt of 

 elbou joint 



Fig. 441. — Dissection of Shoulder and Arm of Horse, Inner Surface. 

 A, Brachial artery; B, subscapular artery; C, thoracico-dorsal artery; D, deep brachial artery; E, ulnar 

 artery; F, anterior radial artery; G, posterior radial (or median) artery; H, brachial vein; /, external thoracic 

 (or "spur") vein; J, brachial vein; K, K, K, posterior radial veins; L, cephalic vein; L', communicating vein; 

 M, brachialis mu.scle; A'', internal epicondyle of humerus; O, prescapular lymph glands; P, po.sition of axillary 

 lymph glands; Q, position of cubital lymph glands; 1, suprascapular nerve; S, subscapular nerves; 3, thoraco- 

 dorsal nerve: 4, musculo-cutaneous nerve; 4'. cutaneous branch of mu.sculo-cutaneous nerve; 5, median nerve; 

 6, a.xillary nerve; 7, ulnar nerve; 8, radial nerve: 9, thoracic nerves. (After Schmaltz, Atlas d. Anat. d. Pferdes.) 



