Acetylcholine
- Pronunciation
- /uh-SEE-tuhl KOH-leen/
- Category
- Physiology
- Singular
- Acetylcholine
- Plural
- Acetylcholines
Definition
A neurotransmitter in both vertebrates and invertebrates that plays a significant role in the transmission of nerve impulses at synapses and neuromuscular junctions.
Etymology
Derived from 'acetyl', relating to the acetyl radical, and 'choline', named after Greek 'cholē' meaning bile.
Example
Acetylcholine is crucial for the normal functioning of muscles in insects, enabling them to move and react to their environment.
Synonyms
- ACh
Related Terms
- Neurotransmitter
- Synapse
- Neuromuscular junction
Usage Notes
Insecticides targeting acetylcholine pathways can disrupt the nervous system of pests, leading to paralysis and death.