rate sedimentation of the 900 x g supernatants ( s1 ) of hypothalamic homogenates from untreated male rats or ovariectomized rats with or without 5 micrograms estradiol benzoate ( eb ) revealed two populations of lhrh particles : a minor , slowly sedimenting one ( peak 1 ) and a major , more rapidly sedimenting one ( peak 2 ) .
C0020663
hypothalamic
C0023610
lhrh