REGULATION OF FOOD AND WATER INTAKE 



349 



To Stomach 



Fig. 1. The course of the nasopharyngeal gastric tube shown in a schematic 

 drawing of a midsagittal section of the rat's head. (From Epstein and 



Teitelbaum, 1962b.) 



Fig. 2. 



Schematic drawing of the apparatus for intragastric self-injection by 

 the rat. (From Epstein and Teitelbaum, 1962b.) 



