FUNCTIONS OF RELATION NERVOUS SYSTEM. 51 

 FIG. 28. 



REPRESENTS THE SYMPATHETIC GANGLIA, AND THEIR CONNECTION WITH OTHER 

 NERVES. A, A, A, the semilunar ganglion and solar plexus, situated below 

 the diaphragm and behind the stomach. This ganglion is situated in the 

 region (pit of the stomach) where a blow gives severe suffering. D, D, D, 

 the thoracic (chest) ganglia, ten or eleven in number ; E, E, the external 

 and internal branches of the thoracic ganglia; G, H, the right and left 

 coronary plexus, situated upon the heart; I, N, Q, the inferior, middle, 

 and superior cervical (neck) ganglia ; 1, the renal plexus of nerves that 

 surrounds the kidneys; 2, the lumbar (loin) ganglion; 3, their internal 

 branches; 4, their external branches; 5, the aortic plexus of nerves that 

 lies upon the aorta. The other letters and figures represent nerves that con- 

 nect important organs and nerves with the sympathetic ganglia. 



