Biology — Signal Flow Through a Neuron

digraph Neuron {
  rankdir=LR;
  node [shape=box, style=rounded];
  "Dendrites" -> "Cell body" [label="receive signals"];
  "Cell body" -> "Axon hillock" [label="summation"];
  "Axon hillock" -> "Axon" [label="action potential"];
  "Axon" -> "Myelin sheath" [label="saltatory conduction"];
  "Myelin sheath" -> "Axon terminals" [label="impulse"];
  "Axon terminals" -> "Synapse" [label="neurotransmitter"];
}