从脑到行为，第二章神经系统功能活动的基本原理 钠钾泵 Extracellular Sodium-potassium pumps fluid Na+ K中 Na+ Na+ K+ Nat K+ Na+ ADP Membrane Cytosol Three Na+ions are pumped out of the neuron for every two K+ions that are pumped in 6 Istian@sjtu.edu.cn从脑到行为，第二章 神经系统功能活动的基本原理 lstian@sjtu.edu.cn 6 Three Na + ions are pumped out of the neuron for every two K+ ions that are pumped in 钠钾泵