Acetylcholine is a neurotransmitter. It is responsible for the transmission of nerve impulses.

  • The drug acetylcholine causes muscles to contract.

  • Acetylcholine is also responsible for the release of energy during a seizure.

Definition of acetylcholine


a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems

Nearby Words

acetylcholine Pronunciation in a video

Example Sentences for acetylcholine

  • 1

    Acetylcholine and histamine are important in the vestibular apparatus.

  • 2

    Acetylcholine is known to promote wakefulness in the basal forebrain.

  • 3

    Acetylcholine is released from the afferent nerve endings.

  • 4

    Acetylcholine precursors help create more acetylcholine.

  • 5

    Acetylcholine binds to a post synaptic nicotinic acetylcholine receptor.

  • 6

    Muscarinic acetylcholine receptor.

  • 7

    Nicotinic acetylcholine receptor.

  • 8

    Vesicular acetylcholine transporter.

  • 9

    Drugs acting on the acetylcholine system.

  • 10

    Levels of the neurotransmitter acetylcholine are reduced.