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post·syn·ap·tic .pōst-sə-'nap-tik adj
1) occurring after synapsis <a \postsynaptic chromosome>
2) relating to, occurring in, or being part of a nerve cell by which a wave of excitation is conveyed away from a synapse <\postsynaptic dopamine receptors>
post·syn·ap·ti·cal·ly -ti-k(ə-)lē adv
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post·sy·nap·tic (pōst″sĭ-napґtik) situated beyond or distal to a synapse, or occurring after the synapse is crossed.Medical dictionary. 2011.