Serosa 



huscularis 

 Circular 

 Longirudindl 

 fibers 



Submucosa 

 Muscularis 



mucosd 

 Villi and 



glands 



.^^^X ~ Blood vessels 



Auerbach's plexus 



(between muscle Idyers) 



eissner's plexus 



( in submucosa ) 



1 1 Preganglionic 



n " /" 



-Postganglionic fiber 



-Sympathetic fiber 

 (inhibitory) 



I' IK. 294. Diagrammatic cross-section of the intestine (small) to show the manner of its 



innervation. See also Fig. 318. 



