Acetylcholine (ACh) [1] is an organic compound that functions in the brain and body of many types of animals (including humans) as a neurotransmitter. [2] Its name is derived from its chemical structure: …

Acetylcholine (ACh) Acetylcholine is a neurotransmitter that plays a role in memory, learning, attention, arousal and involuntary muscle movement. Medical conditions associated with low acetylcholine …

Nov 28, 2025 · Acetylcholine is a neurotransmitter that acts within the central and peripheral nervous systems. It is the chief neurotransmitter of the parasympathetic nervous system, which contracts …

What Is Acetylcholine? Acetylcholine is an amino acid that acts as a neurotransmitter. Neurotransmitters send messages from one neuron to another in your nervous system. As one of the most plentiful …

Dec 3, 2025 · Acetylcholine is the most common neurotransmitter, important in both central nervous system and peripheral nervous system function. Learn how it works in the body.

Aug 25, 2023 · Acetylcholine is a neurotransmitter that plays a key role in brain and muscle function. Here, we look at what acetylcholine does and describe medical conditions linked with it, including …

Acetylcholine was the first neurotransmitter discovered and chemically isolated, a feat which earned two researchers the shared Nobel Prize in Physiology or Medicine in 1936. One of the two scientists, a …