[cellular_component] axon <sep> cytoplasm <sep> cytoplasmic side of plasma membrane <sep> cytoplasmic vesicle <sep> cytoplasmic vesicle membrane <sep> dendrite <sep> melanosome membrane <sep> mitochondrion <sep> neuron projection <sep> neuronal cell body <sep> nucleus <sep> perikaryon <sep> perinuclear region of cytoplasm <sep> smooth endoplasmic reticulum <sep> synaptic vesicle <sep> terminal bouton