Proteins {presynaptic neuroreceptor} can enhance or reduce neurotransmitter release, by responding to previously released neurotransmitter {autoregulation} or to other neurotransmitters or neuromodulators {heteroregulation}. Presynaptic neuroreceptors regulate noradrenaline release from heart, spleen, vas deferens, and brain. Central and peripheral adrenergic-nerve-axon synapses can have both negative and positive feedback.
Biological Sciences>Zoology>Organ>Nerve>Neural Chemical>Receptor
4-Zoology-Organ-Nerve-Neural Chemical-Receptor
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Date Modified: 2022.0224