Inhibition of nerve cells and nerve centres.
D000818:Animals; D001001:Anura; D006651:Histocytochemistry; D008027:Light; D008636:Mesencephalon / Q000502:physiology*; D009046:Motor Neurons / Q000502:physiology*; D009474:Neurons / Q000032:analysis / Q000502:physiology*; D009899:Optic Lobe, Nonmammalian / Q000502:physiology; D012313:RNA / Q000032:analysis; D012018:Reflex / Q000502:physiology*; D012908:Snails; D013116:Spinal Cord / Q000502:physiology*; D003336:Tectum Mesencephali / Q000502:physiology*
D012313:RNA