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41 Terms
neurons
send signals
neuroglia
support/protect
dendrites
recieve signals
cell body (soma)
control center
axon
sends signals
synapse
communication gap
flow order
dendrite → soma → axon → synapse
gray matter
cell bodies
white matter
axons
multipolar
1 axon, many dendrites (most common)
bipolar
1 axon, 1 dendrite (eye, nose)
psuedounipolar
sensory, t-shaped
sensory (afferent)
to CNS
motor (efferent)
from CNS
interneurons
connect neurons (CNS)
afferent
arrives
efferent
exits
location CNS
brain spinal cord
location PNS
outside
axon CNS
tracts
axon PNS
nerves
cell bodies CNS
nuclei
cell bodies PNS
ganglia
endometrium
around axon
perineurium
around bundle
epineurium
whole nerve
CNS
astrocytes, oligodendrocytes, microglia, ependymal
astrocytes
BBB + support
oligofenfrocytes
myelin
microglia
immune defense
ependymal
CSF production
PNS
schwann cells, satellite cells
schwann cells
myelin + repair
satellite cells
support cell bodies
myelin function
insulates axon → faster signals
myelin CNS
oligodendrocyte
myelin PNS
schwann cell
how many axon per neuron
1
dendrites cannot
generate action potential
synapse uses
neurotransmitters to transmit signals between neurons.
interneurons are most
common