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Medical Term:

postsynaptic membrane


Definition: that part of the plasma membrane of a neuron or muscle fiber with which an axon terminal forms a synaptic junction; in many instances, at least part of such a small postsynaptic membrane patch shows characteristic morphologic modifications such as greater thickness and higher electron density, believed to correspond to the transmitter-sensitive receptor site of such synapses.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.