「Nervous system/overview of neurons/Channels/diffusion of ions/Na+channel and membrane potential」の版間の差分
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[[Category:nervous system]] | [[Category:nervous system]] | ||
{{Point|When the sodium (Na<sup>+</sup>) channel is open, intracellular membrane potential becomes positive.}} | {{Point|When the sodium (Na<sup>+</sup>) channel is open, intracellular membrane potential becomes positive.}} | ||
video: [[メディア:Nachannel_equilibrium_potential.swf|Flash]]（Win, Mac） / [[メディア:Nachannel_equilibrium_potential.m4v|MP4]]（iPad） | |||
[[ファイル:Nachannel_potential.jpg|alt=Nachannel_potential.jpg|left|400px]] | [[ファイル:Nachannel_potential.jpg|alt=Nachannel_potential.jpg|left|400px]] | ||
The <sodium channels open (開く)>, sodium ions <diffuse INTO> the cell, the intracellular potential becomes positive, and because of this <positive potential (blink)>, some of the diffused ions are <pushed back(移動)> out of the cell. | |||
When the inward movement by diffusion and <outward movement by the electric force are balanced, the intracellular potential is called the‘equilibrium potential’. | |||
<br> | |||
The equilibrium potential for sodium is positive. | |||
{{QuizTitle}} | {{QuizTitle}} | ||
<GIFT> | <GIFT> | ||
2014年6月5日 (木) 16:36時点における版
POINT!
| When the sodium (Na+) channel is open, intracellular membrane potential becomes positive. |
video: Flash（Win, Mac） / MP4（iPad）
The <sodium channels open (開く)>, sodium ions <diffuse INTO> the cell, the intracellular potential becomes positive, and because of this <positive potential (blink)>, some of the diffused ions are <pushed back(移動)> out of the cell.
When the inward movement by diffusion and <outward movement by the electric force are balanced, the intracellular potential is called the‘equilibrium potential’.
The equilibrium potential for sodium is positive.
Challenge Quiz
1.
When the sodium (Na+) channel is open, intracellular membrane potential becomes negative.positive .