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Transcript 
Clinical Neuroscience
by Kelly Lambert and Craig Howard Kinsley
Chapter 4
Microanatomy and
Neurotransmission
Microanatomy of the Neuron

External Structure and Function of
the Neuron
• Cell membrane and its gateways
• Dendrites: Extending the neuron’s
reach
Cell Body and Organelles:
A Cellular Factory
Nucleus and executive function
 Endoplasmic reticulum, ribosomes,
and protein synthesis
 Mitochondria and metabolism
 Golgi apparatus and lysosomes:
Packaging and recycling centers

Neuronal Cytoskeleton:
Structure and Transport
Dynamic Elements of the Neuronal
Communication and Connection
and the Synapse
Axon: Information conductor
 Terminal buttons: Getting the
message across

Neuroglia
Generating an Action Potential
Electrochemical Activity at the Cell
Membrane
 Membrane Activity as Trigger of the
Action Potential

• Propagating the action potential
• Refractory periods: The neuron
recharges
Generating an Action Potential (cont.)
Integrating Information at the Cell
Membrane
 Activity at the Synapse
 Postsynaptic Potentials
 Activity at the Receptor

Summary
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