title: Secretory activity of nucleus preopticus of the goldfish (Carassius auratus gibelio Bloch) in the annual cycle.
mesh_terms: D000818:Animals; D003530:Cyprinidae / Q000502:physiology*; D005260:Female; D009489:Neurosecretion; D010507:Periodicity; D003336:Tectum Mesencephali / Q000378:metabolism*; D013696:Temperature