270 MAN --AN ADAPTIVE MECHANISM 



function of the kinetic system to regulate the amount 

 of food products stored in the body, then, when 

 an excessive amount of food is ingested, the kinetic 



A. 



Section of normal adrenal of Section of adrenal of dog after 



dog. injection of peptone. 



FIG. 66. EFFECT OF PEPTONE (PROTEIN) ON THE ADRENALS OF A DOG. 



Note the vacuolated spaces, disappearance of cytoplasm and the irregu- 

 larly placed nuclei of the cells of B, as compared with A. 



(From photomicrographs, X 1640.) 



system, occupied with breaking down and eliminat- 

 ing this excess, will be rendered unable to respond 

 normally to other stimuli, such as stimuli to mental 

 and muscular work, emotion, etc. The general inef- 



