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Acetylcholine (ACh)

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

A type of neurotransmitter involved in many functions including muscle stimulation, memory formation and learning.

"Acetylcholine (ACh)" also found in: