the injection of lh-rh induced ovulation in constant estrous rats ( cea ) , made anovulatory either by frontal hypothalamic deafferentation ( fhd ) , or by exposure to continuous light ( cl ) , or by neonatal androgenization ( na ) with 0.500 mg testosterone propionate ( na500 ) .
C0023610
lh-rh
C0020663
hypothalamic