绪论
绪论
Digestive tract Bloodstream Intracellular Bloodstream Tissue fluid
绪论
细胞
细胞
Phospholipid Voltage Gated Sodium Channel Voltage Gated Potassium Channel es WW te n gates noncharged molecule charged macromolecule Bacterium SADAM
绪 细胞 论
Recepto Ground electrode Ade yet Na+ ATP membrane K CAMP Ca2+ AMP Response Element Absolute refractory Relative refractory period period +30 Action potential 0 10 K -55 70 Time(msec) Time(msec