acetylcholine antagonist

[/ˌæsɪtəlˈkoʊlin ænˈtæɡənɪst/]
nounpl: acetylcholine antagonists
antagonista de acetilcolina
1. A pharmacological substance that blocks or inhibits the action of acetylcholine by binding to acetylcholine receptors, preventing normal neurotransmission at cholinergic synapses
Atropine is a common acetylcholine antagonist used in medical treatments.
A atropina é um antagonista de acetilcolina comumente usado em tratamentos médicos.
2. A drug or chemical compound that reduces the effects of acetylcholine in the nervous system
The acetylcholine antagonist was administered to reduce muscle spasms.
O antagonista de acetilcolina foi administrado para reduzir os espasmos musculares.
Acetylcholine antagonists are crucial in both Brazilian and American medical practice, used in treatments ranging from ophthalmology to anesthesia. In Brazil, these drugs are commonly prescribed and discussed in medical education, with atropine being particularly well-known for its use in emergency medicine and ophthalmological procedures. The term is primarily used in clinical, pharmaceutical, and research contexts rather than in colloquial speech.
Synonyms / Sinônimos
cholinergic antagonistanticholinergic agentacetylcholine receptor blockerantimuscarinic drug
Antonyms / Antônimos
acetylcholine agonistcholinergic agonistacetylcholinesterase inhibitor

Regional Variations

General Brazilian Portuguese
antagonista de acetilcolina
Standard medical and pharmaceutical terminology used throughout Brazil
Portugal
antagonista de acetilcolina
Same terminology used in European Portuguese medical contexts
São Paulo Medical Community
bloqueador de acetilcolina
Alternative technical term sometimes used in pharmaceutical research

Related Words

acetylcholinecholinergic receptorneurotransmitteratropinescopolamineantihistamineparasympathetic nervous system

Related Idioms & Phrases

cholinergic blockade
receptor antagonism
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