Acetylcholine is a neurotransmitter that plays a role in memory, learning, attention, motivation and arousal. It also plays a role in contracting voluntary muscles.

In the brain, acetylcholine functions as a neurotransmitter and as a neuromodulator. The brain contains a number of cholinergic areas, each with distinct functions; such as playing an …

Dec 3, 2025 · What Is Acetylcholine and Why Is It Important? Acetylcholine (ACh) is a chemical that plays an important role in many different body functions. It is a neurotransmitter, and its …

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, …

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 …

ACh is stored in vesicles at the ends of cholinergic (acetylcholine-producing) neurons. While acetylcholine levels work for many functions, it is most commonly associated with memory, …

Acetylcholine is a chemical messenger that plays a widespread role in how our bodies and brains function. It enables communication between nerve cells and other specialized cells, including …