INTERNAL SECRETION OF CORPUS LUTEUM 187 



pituitary extract. There can be little doubt that the sensitivity 

 was induced, when normally it would have been absent, by the 



Fig. 65. — Uterus of Mouse with Deciduoma. 

 In this case anterior pituitary extract was used t^ produce the 

 necessary luteal stimulation. 



/. lumen; d. deciduoma. 



hypertrophied luteal tissue of the ovary stimulated by the 

 anterior pituitary preparation. Similar results have since been 



