title: Mg++ and K+ distribution in frog muscle and egg: a disproof of the Donnan theory of membrane equilibrium applied to the living cells.
mesh_terms: D000818:Animals; D001001:Anura; D002414:Cations, Monovalent / Q000378:metabolism; D002463:Cell Membrane Permeability; D002712:Chlorides / Q000378:metabolism; D005260:Female; D007700:Kinetics; D008274:Magnesium / Q000378:metabolism*; D008954:Models, Biological; D009132:Muscles / Q000378:metabolism*; D010063:Ovum / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*; D011894:Rana pipiens
chemical_list: D002414:Cations, Monovalent; D002712:Chlorides; D008274:Magnesium; D011188:Potassium