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  1. Acetylcholine (ACh): What It Is, Function & Deficiency

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

  2. How Acetylcholine Functions in Your Body - Verywell Mind

    Dec 3, 2025 · Acetylcholine helps muscles contract and affects behaviors like learning and memory. It is important for nerves to send signals, allowing the brain to control the body.

  3. Acetylcholine | Definition, Function, & Facts | Britannica

    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 …

  4. Acetylcholine - Wikipedia

    Parts in the body that use or are affected by acetylcholine are referred to as cholinergic. Acetylcholine is the neurotransmitter used at the neuromuscular junction. In other words, it is the chemical that motor …

  5. Acetylcholine: What it is, function, and links with health

    Aug 25, 2023 · Acetylcholine is a chemical messenger, or neurotransmitter, that plays an important role in brain and muscle function. Imbalances in acetylcholine are linked with chronic conditions, such as...

  6. What is Acetylcholine? - Mental Health America

    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 neurotransmitters, …

  7. Acetylcholine: Its Function and Roles in the Body

    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 those …

  8. Acetylcholine: The Neurotransmitter That Powers Nervous ... - DoveMed

    May 22, 2024 · Acetylcholine serves as a pivotal neurotransmitter in the nervous system, orchestrating a myriad of physiological processes essential for homeostasis and organismal function.

  9. Acetylcholine: Understanding Its Critical Role and Therapeutic ...

    May 15, 2025 · Acetylcholine is a vital neurotransmitter with significant roles in both central and peripheral nervous systems. While current treatments offer some benefits, ongoing research is …

  10. The Neurotransmitter Acetylcholine: What It Is, Why It Matters, and …

    Sep 18, 2024 · One of the most important neurotransmitters in the brain is acetylcholine, which plays a key role in learning, memory, attention, and various bodily functions.