title: Insularity of cholinergic components in the central nervous system of Limulus polyphemus.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism; D000818:Animals; D002038:Bungarotoxins / Q000378:metabolism; D002490:Central Nervous System / Q000502:physiology*; D002794:Choline / Q000378:metabolism; D002795:Choline O-Acetyltransferase / Q000378:metabolism; D006737:Horseshoe Crabs / Q000502:physiology*; D010275:Parasympathetic Nervous System / Q000502:physiology*
chemical_list: D002038:Bungarotoxins; D002795:Choline O-Acetyltransferase; D000110:Acetylcholinesterase; D002794:Choline