• ACh
German: Acetylcholin
Japanese: アセチルコリン

Physiology. The most important of the numerous chemical neurotransmitters responsible for passing nerve impulses across synaptic junctions, the neurotransmitter in nerve-muscle junctions. Pharmacological actions of acetylcholine are lowering of the blood pressure by dilatation of the vessels, constriction of the bronchi, increase of the tonus of the intestinal tract, and an increase of glandular secretion.

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