The penetration of acetylcholine into the central nervous tissues of an insect (Periplaneta americana L.).
D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D002854:Chromatography, Paper; D007313:Insecta / Q000502:physiology*; D009420:Nervous System / Q000378:metabolism*; D010830:Physostigmine
D010830:Physostigmine; D000109:Acetylcholine