Acetylcholine receptor

An acetylcholine receptor (abbreviated AChR) or a cholinergic receptor is an integral membrane protein that responds to the binding of acetylcholine, a neurotransmitter.

Acetylcholine receptors play varying roles in the central nervous system (CNS), the peripheral nervous system (PNS), and neuromuscular junctions, though most receptors function in a parasympathetic role. They also play a part in the development of the central nervous system, influencing factors such as neuronal growth and the formation of synapses.

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