title: Primitive forms of potassium homeostasis: observations on crustacean central nervous system with implications for vertebrate brain.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001369:Axons / Q000502:physiology; D001693:Biological Transport, Active; D001812:Blood-Brain Barrier; D002199:Capillary Permeability; D002490:Central Nervous System / Q000378:metabolism* / Q000648:ultrastructure; D003445:Crustacea / Q000378:metabolism*; D006706:Homeostasis; D007365:Intercellular Junctions; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism
chemical_list: D012964:Sodium; D011188:Potassium