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 --~^ 



m. teres major 



"~ — -m. supraspinalus 



a. subscapulars 



m. triceps ( Caput longum - " 

 brachii \ Caput laterale-^.^ 



m. anconceus 



m. flexor carpi ulnaris j 



m. extensor carpi \^~ 

 ulnaris 



n. ulnaris. Ramus/ 

 cutaneus palmaris 



n. ulnaris. Ramus 

 dorsalis 



m. deltoideus 



-m. brachio-ceplialicus 



m. brachiatis 



v. cephalica 

 n. radialis. Ramus superficialis 



m. extensor carpi radialis 



m. extensor digitorum commun is 

 — m. extensor digiti quinti 



m. extensor digiti lertii . 

 et qaarti 



m. abductor 

 pollicis longus 



V ^ I&11 



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

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

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



