Sexual differentiation of reproductive neuroendocrine function in sheep

animal tissues biological differences brain cerebro control hormonal gnrh gonadotrophine gonadotropin releasing hormone gonadotropinas gonadotropins hormona liberadora de gonadotropina hormonal control hormonas hormonas esteroides hormone hormones lh madurez sexual nerf nerves nervios nervous system neurohormonal control ovaire ovaries ovarios ovin ovinos puberty secretion sex sexe sexo sexual maturity sheep sistema nervioso steroid hormones tejidos animales testes testicule tissu animal