Parasympathomimetic agent

Japanese: parasympathomimetic agent(英語表記)parasympathomimeticagent
Parasympathomimetic agent

...Reserpine also acts on the central nervous system and exerts a tranquilizing effect.
[Parasympathomimetic agent]
This refers to drugs that stimulate the muscarinic receptors, which are the acetylcholine receptors that bind to acetylcholine released from the parasympathetic nerve endings as an excitatory transmitter and transmit the excitation to the effector organ, and produce an effect similar to parasympathetic excitation. Drugs of this type are broadly divided into those that act directly on the receptors, such as acetylcholine, muscarine, pilocarpine, and methacholine, and those that inhibit cholinesterase, an enzyme that breaks down acetylcholine released from the nerve endings, resulting in the accumulation of acetylcholine (anticholinesterase drugs).

*Some of the terminology that mentions "parasympathomimetic agent" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…レセルピンは,中枢神経にも作用してトランキライザー作用を発揮する。
[副交感神経興奮薬parasympathomimetic agent]
 副交感神経終末から興奮伝達物質として放出されるアセチルコリンが結合して効果器に興奮を伝達する部位,すなわち,アセチルコリン受容体のうちでもムスカリン様受容体と呼ばれるものを興奮させて,副交感神経興奮と同様の効果を発現する薬物をいう。この種の薬物は,アセチルコリン,ムスカリン,ピロカルピン,メタコリンなどのように直接受容体に作用するものと,神経終末から放出されたアセチルコリンを分解する酵素であるコリンエステラーゼを阻害して,アセチルコリンの蓄積をもたらすもの(抗コリンエステラーゼ薬)とに大別される。…

※「parasympathomimetic agent」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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