WORK UPON VISCERAL AND ALLIED NERVES. 77 



sacral ganglia ; for the head in the superior cervical gan- 

 glion ; for the submaxillary and sublingual glands in the 

 superior cervical ganglion, etc. 



The cells on the vaso-dilator fibres are placed in the 

 superior cervical ganglion for the gums and lips, in the 

 hilum of the gland for the submaxillary, near the viscus 

 for the rectum or external genitals, etc. 



The cells for the motor fibres of the upper part of the 

 alimentary canal are in the ganglion trunci vagi, for the 

 lower part, on the course of the fibres near the viscus. 

 The cells on the inhibitory fibres of the upper part of the 

 alimentary canal are in the coeliac or superior mesenteric 

 ganglia, for the lower part in the inferior mesenteric ganglia 

 or along the course of the colonic nerves or hypogastrics. 



T. Gregor Brodie. 



