resting potential

Japanese: resting potential(英語表記)restingpotential
resting potential

…The ability of a neuron to conduct excitation is linked to the properties of its cell membrane (semipermeable membrane). In general, a cell has a specific potential difference (resting potential) between its internal environment and the external fluid, depending on the properties of the cell membrane. In a non-excited neuron, the concentration of potassium ions (K + ) in the intracellular fluid is higher than that in the extracellular fluid, and the concentration of sodium ions (Na + ) is higher in the extracellular fluid. …

From [Membrane potential]

…Cells and intracellular organelles such as mitochondria are surrounded by biological membranes and generate a membrane potential. In all living cells, a potential is observed between the inside and outside of the cell through the cell membrane, and this is called the resting potential. There is generally a large imbalance in the distribution of ions inside and outside the cell. …

*Some of the terminology that mentions "resting potential" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ニューロンの興奮伝導の能力はその細胞膜の性質(半透膜)と結びついている。 一般に細胞においては,それぞれの細胞の細胞膜の性質によって,その内部環境と外液との間にそれぞれの細胞に特有な大きさの電位差(静止電位resting potential)がある。興奮していないニューロンでは,細胞内液のカリウムイオンK濃度は細胞外液のそれよりも高く,ナトリウムイオンNa濃度は細胞外液のほうが高い。…

【膜電位】より

…細胞やミトコンドリアなどのような細胞内小器官は,生体膜で囲まれており膜電位を生じている。生きている細胞ではすべて細胞膜を介して細胞の内外の間に電位が観察されるが,これを静止電位resting potentialと呼ぶ。細胞の内外には一般にイオンの分布に大きなかたよりがある。…

※「resting potential」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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