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8 Cards in this Set

  • Front
  • Back
Neuron
A specialized cell that
conducts impulses through the
nervous system and contains
three major parts—a cell body,
dendrites, and an axon.
cell body
part of a neurnon that contains the nucleus and carries out the metabolic functions of neuron
dendrites
in neuron, branchlike extensions of cell body, recieve signals from other neurons
axon
slender, tail like extension of neuron that transmits signals to the dendrites or cell body of other neurons and to muscles, glands, other parts of body
glial cells
specialized in brain and spinal cord, hold neurons together, remove waste products, perfom manufact, nourish, and cleanup
synapse
junction where axon terminal of a sending neuron communicates with a recieving neuron across synaptic cleft
permeability
penetrated or passed through
resting potential
slight negative elec. potential of axon membrane of a neuron, at rest-70 milivolts