Anionic and cationic exchange mechanisms in the skin of anurans, with special reference to leptodactylidae in vivo.

Ammonium Chloride/metabolism Anesthetics/pharmacology Animals Anura Biological Transport Chlorides/metabolism Choline/metabolism Diffusion Factor Analysis, Statistical Hydrogen-Ion Concentration Ion Exchange Membrane Potentials Skin/drug effects,metabolism Sodium/metabolism Structure-Activity Relationship Water-Electrolyte Balance

Anesthetics Chlorides Ammonium Chloride Sodium Choline