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The Nervous System
2 division of the Nervous System ,[object Object],[object Object]
Figure 13.2
Figure 13.1
Composition of Nervous Tissue ,[object Object],[object Object],[object Object],[object Object]
Structure of a neuron ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Classification of Neurons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Definitions ,[object Object],[object Object],[object Object],[object Object]
Figure 13.3
Structure of a Nerve ( or a Tract) ,[object Object],[object Object],[object Object],[object Object],[object Object]
6 Types of Supporting cells ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
4 Types of supporting Cells in the CNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
2 Types of Supporting Cells in the PNS ,[object Object],[object Object],[object Object],[object Object]
Myelination of axons  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Severed axons in the PNS can regenerate but severed axons  in the CNS cannot  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Figure 13.4
Neurophysiology – Generation of Action Potential ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Characteristics of Action Potentials  ,[object Object],[object Object],[object Object]
2 Refractory periods during an action potential ,[object Object],[object Object]
Factors affecting the rate of impulse transmission = Conduction Velocity ,[object Object],[object Object],[object Object],[object Object]
3 Types of Nerve Fibers ,[object Object],[object Object],[object Object],[object Object],[object Object]

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