Once the acetylcholine has delivered it message it is broken down by

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Acetylcholine is broken down by the enzyme acetylcholinesterase once it has delivered its message at the synapse. This breakdown of acetylcholine prevents continuous stimulation of the postsynaptic neuron and allows for new signals to be transmitted. Cholinesterase is a broader term that can refer to any enzyme that breaks down choline-containing compounds, but acetylcholinesterase specifically targets acetylcholine. Neurotransmitters and synaptic enzymes are general terms that don't specifically describe the breakdown of acetylcholine. Synaptic vesicles are not involved in the breakdown of acetylcholine; they release the neurotransmitter into the synapse.

Once the Acetylcholine Has Delivered It Message It Is Broken