Abstract
Summary
The gonadotropic potency of the pituitary of spayed and castrated rats was determined in the immature female rat before and after tryptic digestion. There was a great reduction of potency of the pituitary following digestion by trypsin in both the male and female.
I am indebted to Dr. Graham Chen for suggestions in these experiments and for supplying me with a sample of follicle-stimulating hormone.
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