regulation of the opioid-adrenergic input may not only acutely affect the secretory output of the gnrh neurones but also influence synthesis or processing of gnrh itself ( see kalra & kalra , 1984 ) and its degradation by hypothalamic peptidases ( advis , krause & mckelvy , 1983 ) .
C0023610
gnrh
C0020663
hypothalamic