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U3

APsych.

TermDefinition
neuron a nerve cell
dendrite a neurons bushy, receives messages and conduct impulses towards the cell body
axon the neuron extension; passes messages through its branches to other neurons or to muscles or glands
myelin sheath enables vastly greater transmission speed as neural impulses hop from one sausage-like node to the next
action potential a neural impulse; a brief electrical charge that travels down an axon
refactory period a period of inactivity after a neuron has fired
resting potential the electric potential across the plasma membrane of a neuron when it is in the nonexcited, or resting, state
Created by: usernay
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