Section 4
Collections of Nervous Tissue
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By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
3 concepts
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Clusters of Neuronal Cell Bodies
A nucleus can either by a relatively compact collection of neurons or a distinctly identifiable group of neurons spread over a large area.
Axon Bundles
A bundle of axons is called a nerve in the peripheral nervous system and a tract in the central nervous system.
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Grey and White Matter
The basic pattern of the CNS is a central cavity surrounded by gray matter made up of neuronal cell bodies external to which is the white matter which is made up of myelinated axons.