location where neuron recieves stimuli from other environments or neurons
neuron cell body
carries information toward other cells
axon information back toward cell body
base or initial segment of axon
plasma membrane of axon
contains structural componants of axon
axonal extensions at the end of axon trunk
chemical messengers synthesized in cell body
where neurotransmitters are released
bears receptors for neurotransmitters
cell that forms myelin sheath in PNS
cell that forms myelin sheath in CNS
nervous system consisting of brain and spinal cord
nervous system consisting of nerves outside of spinal cord
phrenic nerve is in what plexus
radial nerve is in what plexus
femoral nerve is in what plexus
sciatic nerve is in what plexus
nervous system: increase heart rate
nervous system: decrease heart rate
relfex arc step 1 - detects stimuli
reflex arc step 2 - carries information
reflex arc step 3 - sends stimuli to muscle
reflex arc step 4 - muscle reacts
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