REGULATION OF THE PANCREATIC SECRETION. 2 19 



The cause of these variations in the digestive power of the 

 pancreatic juice is not yet explained. A strong digestive 



Hours 



1 2 3 ~4 1 2s 



FIG. 27. Fermentative activity of hourly portions of pancreatic juice 



after a meal ot 600 c.c. milk. 



(Copied from PAWLOW : Work of the Digestive Glands. Trans, by 

 THOMPSON London, 1902, p. 30.) 



power may be found when much juice is being secreted by 

 the gland as well as when the flow is scanty. The variations 



