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21 Cards in this Set

  • Front
  • Back
directs impulses to cell body
dendrite
single extention from cell body`
axon
surrounds nucleus
perikaryon
main branches of an axon
collateral branches
swollen end of axon
synaptic knob
connects soma to axon
axon hillock
detects changes in environment
sensory receptor
brain and spinal cord
Central Nervous System
free and fixed ribosomes
Nissl Bodies
fine branches of axon
telodendria
forms blood brain barrier
astrocyte
axon region with Schwann cells
myelinated internode
outer Schwann cell membrane
neurilemma
vacuole of neurotransmitters
synaptic vesciles
membrane of axon
axolemma
cell body surrounding the nucleus
soma
membranous organelle containing neurotransmitters
synaptic vesicles
recieving branch of neuron
dendrite
chemical message released at synapse
neurotransmitter
propogates action potentials
axon
space between two communicating neurons
synaptic cleft