Acetylcholine

Acetylcholine is a chemical in human nerves that carries information (called neurotransmitter) from the sense of touch, sense of smell, etc. This chemical is produced inside the brain in the pituitary gland.

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Acetylcholine Media

Acetylcholine Pathway. Animation in the reference.[1]
Acetylcholine processing in a synapse. After release acetylcholine is broken down by the enzyme acetylcholinesterase.
Components and connections of the parasympathetic nervous system.
Micrograph of the nucleus basalis (of Meynert), which produces acetylcholine in the CNS. LFB-HE stain.