pituitary hormone-releasing hormone gonadotropin-releasing hormone A decapeptide hormone released by the hypothalamus. It stimulates the synthesis and secretion of both FOLLICLE STIMULATING HORMONE and luteinizing hormone (LH) from the pituitary gland. FSH-Releasing Hormone GnRH LH-Releasing Hormone LHRH MeSH:D007987 gonadoliberin gonadorelin