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.png

Acetylcholine Pathway. Animation in the reference.[1]
Cholinergic synapse.svg

Acetylcholine processing in a synapse. After release acetylcholine is broken down by the enzyme acetylcholinesterase.
Components and connections of the parasympathetic nervous system.
Nucleus basalis of Meynert - intermed mag.jpg

Micrograph of the nucleus basalis (of Meynert), which produces acetylcholine in the CNS. LFB-HE stain.