THE AUTONOMIC NERVOUS SYSTEM 



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broadly accepted in physiology and forms a more rational system around 

 which we may group the divers physiological functions, see figure 419. 



THE AUTONOMIC NERVOUS SYSTEM. 



II. 



The Thoracicolumbar Autonomies. 



The First dorsal to the Fourth lumbar inclusive. 

 The Craniosacral Autonomies. 

 The midbrain autonomic nerves. 

 The 3d cranial or oculomotor. 

 The bulbar autonomies. 

 The yth or facial. 

 The 9th or glossopharyngeal. 



^x 



SubmaxittcLrV 



Parotid 

 Head blood 



,- Somatic vascular, 

 /secretory and pilomotor 



Colon-rectum, 

 Urinary bladder 

 Genital organs 



FIG. 419. Diagrammatic representation of the paths of the autonomic nervous 

 distribution. (Modified from Meyers and Gottlieb.) 



The loth or vagus. 



The nth or spinal accessory. 

 The sacral autonomies. 



The 2d and 3d sacral or the nervus erigens. 

 III. The enteric or visceral autonomies. 

 Plexus of Auerbach. 

 Plexus of Meissner. 



