structure of neuron

• cell body?


  contains nucleus and mitochondria so cell functions.
• dendrites?


  branches at top end of neuron, receive messages from other neurons to trigger action potential within cell.
• axon?

  extension of cell body that passes action potential (axon hillock attaches axon and cell body) to allow communication.
• myelin sheath?

  layers of fatty deposits that provide insulation and speeds up rate of message transmission (rodes of ranvier are gaps between myelin sheaths)
• axon terminals?

  end of axon, leads to terminal buttons where chemical message becomes contained in vesicle.