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Antagonist
| Глоссарий медицинских терминов |
A substance which acts through specific receptors to block the action of another substance, but which has no observable physiological effect itself atropine is a cholinergic antagonist and blocks the effects of acetylcholine.
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Observable, английский
Which can be seen or measured
Acetylcholine, английский
A substance released from nerve endings, which allows nerve impulses to move from one nerve to another or from a nerve to the organ it controls comment: acetylcholine receptors are of two types, muscarinic, found in parasympathetic post-ganglionic nerve junctions, and nicotinic, found at neuromuscular junctions and in autonomic ganglia. acetylcholine acts on both types of receptors, but other drugs act on one or the other.
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Counterirritant, английский
A substance which alleviates the pain in an internal organ by irritating an area of skin whose sensory nerves are close to those of the organ in the spinal cord
Antacid, английский
A substance that stops too much acid forming in the stomach, used in the treatment of gastrointestinal conditions such as ulcers, e.g. calcium carbonate or magnesium trisilicate
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