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neuropeptide
neuropeptide A neuropeptide is a naturally produced peptide that affects nervous system activity, either by acting directly at synapses or by changing how neural signals are regulated.
A neuropeptide is a naturally produced peptide that affects nervous system activity, either by acting directly at synapses or by changing how neural signals are regulated. It can be released by neurons as a neurotransmitter or by non-neuronal cells as a hormone.