SOWER, Stacia A.; University of New Hampshire: Howard Bern Lecture: Insight into the Molecular Evolution of Gonadotropin and its Receptor in the Hormonal Regulation of Reproduction Gonadotropin-releasing hormone (GnRH) is the central regulator of reproduction in all vertebrates. In response to GnRH, gonadotropins (GTHs) are secreted from the pituitary and stimulate gonadal steroidogenesis and gametogenesis. […]