264 



NERVOUS SYSTEM. 



THE NERVOUS SYSTEM. -Continued. 



THE BRACHIAL PLEXUS. 



Ant. Div. 



5th 



Cervical 

 Nerve. 



Ant. Div. 



6th 



Cervical 

 Nerve. 



Ant. Div. 



7 th 



Cervical 

 Nerve. 



Ant. Div. 



8th 

 Cervical 



Nerve. 



Ant. Div. 



ist 



Dorsal 

 Nerve. 



OUTER 

 CORD. 



INNER 

 CORD. 



Brachial 

 Plexus. 



Post. Thoracic N. or f to 



Ext. Respiratory N. ofBell\ Serrat - 

 I mag. 



i Supra-spinatus. 



Supra-scapular, to < Infra-spinatus. 

 ^Shoulder-joint. 

 Rhomboidei (5, 6, Cerv.) 

 Subclavius (5, 6, Cerv.) 

 Muscular, to -| Scaleni (6, 7, Cerv.) 



Long, colli (6, 7, Cerv.) 

 OUTER I Lev. ang. scap.(s, Cerv.) 



CORD.] I .ff r. to Phrenic Nerve. 



Br. to Posterior Cord of Plexus. 

 External Ant. Thoracic, to Pect. major. 



f Muscular. 



External, or I Anterion 



Musculo-Cutaneous.l Posterion 



[Articular. 

 Median Nerve (outer head) (No. 3). 



/Scaleni (8, Cerv.) 

 Muscular, to < Long, colli (8, Cerv.) 



< Above Clavicle. 

 Br. to Posterior Cord of Plexus. 

 INNER I Int. Ant. Thoracic, to Pectoral muscles 



CORD. I Internal Cutaneous (No. 5). 



Lesser Int. Cutan. (N. of Wrisberg). 

 Median Nerve (inner head) (No. 3). 

 Ulnar Nerve (No. 7). 



ist Subscapular, to Subscap. M. 

 2d Subscapular, to Lat. dorsi. 

 POSTERIOR jd Scapular, to Teres major. 

 CORD. \ Circumflex, to Deltoid and skin. 



(Muscular. 

 Cutaneous. 

 Radial. 

 Post. Interosceou*. 

 Note.Nos. i, 3, 3, etc., refer to the next two Tables, 



