cytoplasm: perikaryon a. Nissl body LM: basophilic spot-liked or granule- liked structure EM: parallelly-arranged RER and free ribosome function: synthesis of proteins ● structural protein e enzymes related to the production of neurotransmitters---cytoplasm: perikaryon a. Nissl body: LM: basophilic spot-liked or granule-liked structure EM: parallelly-arranged RER and free ribosome function: synthesis of proteins structural protein enzymes related to the production of neurotransmitters