DISSECTION OF THE DOG 



125 



Dissection. — Proceed to the examination of the outer aspect of the shoulder 

 and arm. Remove the remains of the trapezius and omo-transverse 

 muscles. Observe the termination of the subscapular artery and the 



m. infraspinatus ~*~~y/' 



m. teres major. 1 



a. subscapularis""\\\\ 



« «- m, supraspinous 



m. triceps C Caput longum-* •" 

 brachii \ Caput ktterale-*.. 



m. anconeus ~~ 



m. flexor carpi ulnaris - 

 m. extensor carpi 



n. ulnaris. Ramus/ 

 cutaneus palmaris 



n. ulnaris. Ramus 

 dorsalis 



y£- m, brachialis 



-v. cephalica 

 n. radialis. Ramus super ficialis 



m. abductor 

 poinds longus 



Fig. 47. — Dissection of the lateral aspect of the shoulder, arm, and forearm. 

 Com. = tendons of the common extensor of the digits ; I, n, III, IV, and V = tendons 

 of the extensors of the first, second, third, fourth, and fifth digits. 



