768 



THE ENDOCRINE ORGANS, OR DUCTLESS GLANDS 



the intestine (in contrast to the inhibiting effect of epinephrme), and of the 

 bladder-ureter musculature. Dilatation of the pupil of the excised frog 



Fig. 197. Tracing showing the action of pituitrin on the uterine contractions and blood pressure 

 in a dog. Made by Harbour's method. (From Jackson.) 



eye is produced. The effect of pituitrin on the muscle of the bronchioles 

 is shown in Fig. 198. 



The glands on which the pituitrin has the most pronounced action are 



