Acetylcholine (ACh) is a neurotransmitter that functions in the human brain and body. It is composed of acetic acid and choline.
- Acetylcholine was the FIRST neurotransmitter to be discovered.
- Acetylcholine was identified by Henry Hallet Dale (1914).
- Acetylcholine controls muscular movements.
- This neurotransmitter (acetylcholine) is released by motor neurons at the neuromuscular junction in order to activate muscle cells.
- Nicotinic receptors that bind to acetylcholine are expressed in the brainstem and spinal cord in order to regulate respiration rhythm.
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