1. Cells in nervous system

Nerve cells(neurons)

Send and receive signals

Glial cells(neuroglia)

support and protect neurons(astrocytes, microglial cells)
form myelin

  • oligodendrocytes(brain)
  • Schwann cells(PNS)

in the retina…

photoreceptor cells: rods, cones
neurons: ganglion, horizontal, bipolar, amacrine
glial: muller, astrocytes

2. Synapse


Synaptic potentials

Chemical transmitter : Acetylcholine, Noradrenaline…


  • chemically coupled
  • electrically coupled

Type of PSP(post synaptic potential)

  • EPSP(excitatory): depolarization
  • IPSP(inhibitory): hyperpolarization
카테고리: Engineering

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