[Relations between the nervous system, gonads and neurosecretion in Polycelis nigra].
D000818:Animals; D006066:Gonads / Q000502:physiology*; D009424:Nervous System Physiological Phenomena; D009489:Neurosecretion / Q000502:physiology*; D012038:Regeneration; D014419:Turbellaria
Rapporti fra sistema nervoso, gonadi e neurosecrezione in Polycelis nigra.