276 



NERVOUS SYSTEM. 



THE NERVOUS SYSTEM.-Coatinued. 



THE SYMPATHETIC SYSTEM. 



/on the Anterior Communicating Artery. 



Ganglion of Ribes< In it begins the double chain of gangliated cords enumes 

 ^ ated below. 



External 



Branches 



to join the 



ist, 2d, 



3d, 4th 



Cervical 



Nerves. 



Superior 

 Cervical 

 Ganglion 



Ext.Brs.\Q\ Middle 

 5th and 6th \ Cervical 

 Cerv. N. I Ganglion 



(Some to Pneumogastric, Glossopharyngeal, and 



Sut Brs \ Hv Pg lossal Nerves. 



/ Ext. Br. forms CAROTID PLEXUS. 

 \_Ascend. Br.\ Int.Br. forms CAVERNOUS PLEX. 



(. along Int. Carotid Artery. 



Anterior Branches, to Plexus on Ext. Carotid Artery. 

 ( Pharyngeal, to PHARYNGEAL PLEXUS. 



Int. Brs. 



\ Superior Cardiac Nerve, to CARDIAC PLEXUS; 

 I goes to Deep PI. on right side, to Superficial 

 [ PI. on left side of body. 



Filaments along Inf. Thyroid Art. to Thyroid 

 Int. Brs. \ body and Larynx. 



1 Mid. Cardiac Nerve, to DEEP CARDIAC PLEXUS. 



Ext. Brs. to Inferior 



7th and 8th, \ Cervical 



Cerv. N. Ganglion 



Ext.Brs.to 

 12 Dorsal N. 



12 



Thoracic 

 Ganglia. 



Int. Brs. 



Int. Brs. 



Ext 

 Lumbar 



u?w.to f Lumbar | 



nbar N. [ Ganglia> j 



tcral \Int. 

 iglia. ' 



Int. Brs. 



Ext. Brs. 



Sacral I 1 



Sacral 

 Gangli 



Brs 



J Filaments along Vertebral Art. to cranium. 

 \Inf. Cardiac Nerve, to DEEP CARDIAC PLEXUS. 



Upper 5 or 6 to Aorta and Vertebral column. 

 2d, 3d and 4th to Post. Pulmonary Plexus. 

 Lower 6 from the 3 Splanchnic Nerves, thus 

 6-10, Great Splanchnic, to Semi-lunar Gang. 

 10, n, Small Splanchnic, to Cceliac Plexus. 

 12, Smallest Splanchnic, to Renal Plexas. 



J Some to Aortic Plexus. 

 [Some to Hypogastric Plexus. 



J to Pelvic Plexus, 

 j to Plexus on Middle Sacral Artery. 



Coccygeal 1 j n w hi c h ends the double chain of gangliated cords enumer- 

 Gangiion j ated ab ve, and called THE SYMPATHETIC NERVOUS 

 Impar. J SYSTEM. 



[FOR THE VARIOUS CONNECTED GANGLIA, ETC., SEE ante, PAGES 137 TO 140.] 



