sensory neuron, motor neuron, and interneuron

anatomy animal association axon biology body brain brainstem care cell cells central chemical circuit connector cord dendrite dendrites diagram disease electrical health healthcare human illustration intermediate interneuron internuncial mammal medical medicine microscope motoneuron motor multiar multiple muscle myelin nerve nervous network neural neurology neuron neurone neurons nucleus organ ranvier receptor reflexes relay schematic science sclerosis sensory signal signals single spinal stem structure synapse synaptic system tissue types vector