in order to determine whether this biphasic action of p is primarily exerted on the release of luteinizing hormone releasing hormone ( lhrh ) , on the pituitary response to lhrh , or on both , mediobasal hypothalamic slices or pituitary fragments of adult ovx rats or of ovx rats pretreated with estrogen alone or in combination with p were tested in a perifusion system .
C0023610
luteinizing hormone releasing hormone
C0020663
hypothalamic