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16 Cards in this Set

  • Front
  • Back
Peripheral nervous system
outlaying parts of nervous system
afferent nerves
sensory nerves -- from body to brain
effernt nerves
motor nerves from brain to body
Central nervous system
brain, spinal cord
Neurons
cells that make up nervous system
cell body
main part of neuron
dendrites
arms coming off body of neuron
axon
tail, sends impulses
myelinated
covered with white fatty stuff
schwann cells
cells that secrete fat stuff
nodes of ranvier
place with no myelin
neurilemma
outermost layer of schwann cell
Glia(neuroglia)
don't send impulses, supporting cells, hold neurons together, protect neurons
attatch neurons to blood vessels
astrocytes
micorglia
consume microbes by phagocytosis
oligodendrocytes
produce myelin sheath around axon in cns