noun ダウンロード 🔗共有 神経伝達物質 Any substance, such as acetylcholine or dopamine, responsible for sending nerve signals across a synapse between two neurons. Examples : "When you feel happy, your brain releases neurotransmitters like serotonin, which carry the signal to feel good from one nerve cell to another. " 幸せを感じると、脳はセロトニンなどの神経伝達物質を放出し、快い感情のシグナルを1つの神経細胞から別の神経細胞へと運びます。 medicine physiology biochemistry biology anatomy substance body sensation mind signal AIとチャット語彙ゲーム読解練習