SEARCH Articles Figures Tables Adrenergic receptor presynaptic Cholinergic receptors presynaptic GABA receptors presynaptic Kainate receptor inhibitory presynaptic receptors Muscarinic receptors presynaptic Presynaptic Presynaptic H3 receptors Presynaptic Metabotropic Glutamate and GABAb Receptors Presynaptic dopamine receptors Presynaptic receptors definition Primary Afferent Presynaptic Receptors