<prompt> Nissls bodies located intracytoplasmic are inPerikaryon of neuronSmooth muscleSkeletal muscleCardiac muscle  <response>: Nissl bodiesLarge granular bodies that stain with basic dyes, forming the reticular substance of the cytoplasm of neurons, composed of rough endoplasmic reticulum and free polyribosomes.Ref: Ganong;s review of medical physiology; 24th edition 