FIG. 49. LATERAL OR OUTER ASPECT OF MUSCLES OF THE PECTORAL 



LIMB. 



a, Cephalic part of the ento-triceps ; an, annular ligament; am, abductor 

 minimi digiti; c, extensor carpi radialis brevior; del, acromiodeltoid ; 

 dl, biceps; ecd, extensor communis digitorum; ecrl, extensor carpi 

 radialis longior, whose tendon is marked m; emd, extensor minimi 

 digiti ; ei, extensor indicis ; exul, extensor carpi ulnaris ; eom, extensor 

 ossis metacarpi pollicis; ex, ulnar head of the flexor carpi ulnaris; 

 fu, flexor profundus digitorum; hu, humerus; i, caudal part of the 

 ento-triceps; o, olecranon process of the ulna; p, claw of first digit; 

 pect, portion of the pectoralis; r, region of the head of the radius; 

 sp, spine of the scapula ; tr lt ecto-triceps with its middle portion cut 

 out. 



