title: Circadian rhythmicity in the nervous system of the cockroach, Periplaneta americana.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000110:Acetylcholinesterase / Q000378:metabolism; D000200:Action Potentials; D000818:Animals; D002940:Circadian Rhythm; D003058:Cockroaches / Q000502:physiology*; D009424:Nervous System Physiological Phenomena; D010526:Periplaneta / Q000502:physiology*
chemical_list: D000110:Acetylcholinesterase; D000109:Acetylcholine