374 



THE SYMPATHETIC NERVES. 



front of the aorta and the pillars of the diaphragm. Surrounding the origin of the 

 cceliac axis and the superior mesenteric artery, it occupies the interval between the 

 suprarenal bodies, and extends downwards as far as the pancreas. The plexus 



Fig. 237. SOLAR AND AORTIC PLEXCSES, WITH THE LUMBAR PORTION OF THE SYMPATHETIC CORDS, 



IN THEIR RELATIONS TO THE AORTA, &C. (GK D. T. ) 



C.A., coeliac axis, and S.M.A., superior mesenteric artery, both cut close to their origin ; surround- 

 ing them is the solar plexus ; on the aorta below the renal arteries is the aortic plexus ; s', great, 

 s", small, and s'", smallest splanchnic nerves ; A, phrenic ganglion ; B, semilunar ganglion ; C, aortico- 

 renal ganglion ; D, superior mesenteric ganglion ; E, spermatic ganglion ; F, inferior mesenteric 

 ganglion. 



