introduction to the nervous system. neuron multipolar neuron axon glial cells nucleus nucleolus...
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Introduction to the Nervous System
Neu
ron
Multipolar neuron
Axon
Glial Cells
Nucleus
Nucleolus
Dendrite
Axon Hillock
Cell body
Schw
ann
cell/
Olig
oden
droc
yte
Figure 3.43- A longitudinal section of axons
Node of Ranvier
Schwann cellAxon
Cross section of a nerve
Cross section of a nerve 40XEpineurium
Perineurium
Endoneurium
Bundle ofaxons
Figure 3.41- Cross section of a nerve 400X
EpineuriumPerineurium
Endoneurium
Axon
Longitudinal section of unmyelinated nerve
Spinal cord cross section
Cross section of the spinal cord
PosteriorGray Horn
LateralGray Horn
AnteriorGray Horn
CentralCanal
Cross section of the spinal cord
PosteriorWhite
Column LateralWhite
Column
AnteriorWhite
Column
Gray Commisure
Motor neurons from the spinal cord
Neuroglialcells
Dendrite
Nucleus
Axon Terminal
Dendrite
Axon
Mitochondria
Myelin Sheeth
Nucleus
Schwann Cell
Cell Body
AxonMyelin Sheeth
Neuron M
odel with
Schwann cells
Figure 9.3: Structure of a myelinated neuron
Axolema (Axon cell membrane)
Nissel Bodies
Neurofibrils
Nucleus of the neuron
Nucleolus of the neuron
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