| 释义 |
postsynaptic membrane post·syn·ap·tic mem·branethat 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.post·syn·ap·tic mem·brane (pōst'si-nap'tik mem'brān) That part of the plasma membrane of a neuron or muscle fiber with which an axon terminal forms a synaptic junction. postsynaptic membrane the excitable membrane of the DENDRITE next to the AXON at a synapse, that receives the nerve impulse. |