Last Updated
：2026/01/05
活動電位
Hiragana
かつどうでんい
Noun
Japanese Meaning
神経細胞や筋細胞の膜電位が、一時的に急激に変化する現象。興奮が伝わる基本単位となる電気信号。 / ニューロンが閾値を超える刺激を受けたときに発生する、一過性の膜電位の逆転（脱分極）とその後の再分極過程。
Easy Japanese Meaning
からだの神経や筋肉の細胞がはたらくときにおこる電気のうごき
Chinese (Simplified) Meaning
动作电位 / 神经或肌肉细胞膜电位的快速短暂变化，用于传递信号 / 细胞膜去极化与复极化过程中的电活动
Chinese (Traditional) Meaning
神經或肌肉細胞膜電位的瞬間快速變化，用以傳遞訊號 / 由脫極化與復極化構成的短暫電位波動 / 刺激引發的膜電位尖峰，沿神經纖維傳導
Korean Meaning
자극에 의해 세포 막전위가 급격히 상승·하강하는 일시적 전기 신호 / 신경·근육 등 흥분성 세포에서 발생하는 막전위의 급변 현상 / 축삭을 따라 전달되는 신경 흥분의 전기적 파동
Vietnamese Meaning
Sự thay đổi nhanh điện thế màng tế bào thần kinh hoặc cơ khi kích thích / Xung điện sinh học truyền dọc sợi thần kinh / Pha khử cực–tái cực của màng tế bào
Tagalog Meaning
potensyal na aksiyon / biglaang pagbabago ng boltahe sa lamad ng selula / alon ng depolarisasyon at repolarisasyon sa neuron
Sense（1）
(physiology) action potential
（ canonical ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
活動電位
See correct answer
Action potential is an important mechanism for nerve cells to transmit information.
Action potential is an important mechanism for nerve cells to transmit information.
See correct answer
活動電位は神経細胞が情報を伝達するための重要なメカニズムです。
Japanese - English
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