immunoreactive lhrh was detected in hypothalamic and extrahypothalamic brain extracts of the rat , bird ( pigeon and chicken ) , reptile ( tortoise and lizard ) , amphibian ( frog and toad ) , teleost ( cichid ) , and elasmobranch ( dogfish ) and in the whole brain of the cyclostome ( bagfish ) .
C0023610
lhrh
C0020663
hypothalamic