Extracellular Space nonhuman 8 Models, Biological 6 animal cell 6 cytology 6 extracellular space 6 Animal 4 Animals 4 Potassium 4 Protein Binding 4 Rats 4 Signal Transduction 4 Support, Non-U.S. Gov't 4 Time Factors 4 article 4 biological model 4 priority journal 4 rat 4 signal transduction 4 ATP-ase activity 2 Amines 2 Ammonium compounds 2 Ammonium ions 2 Anesthesia, General 2 Binding Sites 2 Binding energy 2 Binding kinetics 2 Binding reactions 2 Binding sites 2 Body Patterning 2