Referring to direct neural connections (those not involving an internuncial neuron); e.g., the direct connection between primary sensory nerve cells and motor neurons characterizing the m. reflex arc.
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mono·syn·ap·tic .män-ō-sə-'nap-tik adj having or involving a single neural synapse
mono·syn·ap·ti·cal·ly -ti-k(ə-)lē adv
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mono·syn·ap·tic (mon″o-sĭ-napґtik) pertaining to or relayed through only one synapse.Medical dictionary. 2011.