

Fig. 219. Diagram of the autonomic nervous system. The preganglionic fibers are in red, and 

 the postganglionic in black. S.c., superior cervical ganglion; I.e., inferior cervical ganglion; T, 

 stellate ganglion; S.p., great splanchnic nerve; (7, ganglia of solar plexus; m, inferior mesenteric 

 ganglia; h, hypogastric nerves; N.B., nervus erigens. The arrows indicate the direction of nerve 

 conduction. The numerals indicate the spinal nerves. (From Howell.) 



