it had no effect on the rate at which estradiol was cleared from the blood in a 1-h test , however , nor did it affect the pool of assayable gonadotropin-releasing hormone ( gnrh ) in the hypothalamus , the pool of assayable lh in the pituitary , the response of the pituitary to gnrh , or the rate at which lh was cleared from the blood .
C0020663
hypothalamus
C0023610
gnrh