Fig. 3.
Effect of iPVN administration of H2 (540 pmol), H3 (1.8–1,620 pmol) (n = 10–12/group), and GnRH antagonist (60 nmol) and H3 (540 pmol) (n = 4) on plasma LH (ng/ml; A), plasma FSH (ng/ml; B), and total plasma testosterone (nmol/l; C) at 30 min postinjection in male adult rats. *P < 0.05 vs. vehicle, ***P < 0.001 vs. vehicle, and δP < 0.05 vs. relaxin-3 (540 pmol) by ANOVA with post hoc Tukey's test.