folliberin

fol·lib·er·in

(fol-ib'ĕr-in) A decapeptide of hypothalamic origin capable of accelerating pituitary secretion of follitropin.
Synonym(s): follicle-stimulating hormone-releasing factor, follicle-stimulating hormone-releasing hormone. [follicle-stimulating hormone + L. libero, to free, + -in]