D2 receptor
Medical term · D
A type of dopamine receptor (see neurotransmitter receptors) that seems to be particularly important in addiction.
Related terms
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Neurotransmitter receptorsCell structures (usually proteins) that recognize specific neurotransmitters and bind to them. Once bound, a receptor often changes shape, causing a cascade of chemical events…
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NeurotransmitterA chemical messenger released by nerve cells that transmits messages to nearby other nerve cells.
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AddictionLoss of control over indulging in a substance or performing an action or behavior, and continued craving for it despite negative consequences.
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ReceptorsStructures on the outside of a cell membrane that permit attachment of specific chemicals.