The electron microscope results show that it is unmyelinated fibers but not myelinated ones that are labeled by BSI B 4.BSI B 4 labeled axonal terminals forms non symmetrical axon dendritic synapses with negative dendrites.是什么意思_The electron microscope results show that it is unmyelinated fibers but not myelinated ones that are labeled by BSI B 4.BSI B 4 labeled axonal terminals forms non symmetrical axon dendritic synapses with negative dendrites.在线翻译_英语_读音_用法_例句