cholinergic
Definition
- Adjective:
- Releasing or activated by acetylcholine or a related compound: Describing nerve cells, fibers, or drugs that function by releasing or responding to the neurotransmitter acetylcholine.
Usage
- The term is primarily used in medical, biological, and pharmacological contexts to describe the components of the nervous system or substances that involve acetylcholine.
- It is often contrasted with "adrenergic" (involving adrenaline/noradrenaline).
Examples
- Adjective:
- The parasympathetic nervous system is primarily cholinergic.
- This medication has a cholinergic effect, which can help improve muscle strength.
- Researchers studied the cholinergic neurons in the brain.
Advanced Usage
- "Cholinergic crisis": A medical condition caused by excessive stimulation at cholinergic nerve junctions, often due to an overdose of certain medications.
- The patient's symptoms were consistent with a cholinergic crisis.
- "Cholinergic receptor": A protein structure on a cell surface that responds to acetylcholine.
- Nicotinic and muscarinic receptors are two main types of cholinergic receptors.
Variants and Related Words
- Cholinesterase (n): An enzyme that breaks down acetylcholine, terminating its signal.
- Some nerve agents work by inhibiting cholinesterase.
- Anticholinergic (adj): Having the opposite effect of cholinergic agents; blocking acetylcholine.
- The drug's anticholinergic side effects include dry mouth and blurred vision.
Synonyms
- Acetylcholine-related: Pertaining to acetylcholine.
- Parasympathomimetic: Producing effects similar to stimulation of the parasympathetic nervous system (often a subset of cholinergic effects).
Antonyms
- Adrenergic: Activated by or related to adrenaline (epinephrine) or noradrenaline.
- Noradrenergic: Releasing or activated by noradrenaline.
Related Phrases
- Cholinergic neurotransmission: The process of signal transmission using acetylcholine.
- The lecture focused on the mechanisms of cholinergic neurotransmission.
- Cholinergic system: The network of neurons in the body that use acetylcholine.
- Degeneration of the cholinergic system is associated with Alzheimer's disease.
Adjective
-
releasing or activated by acetylcholine or a related compound
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