Difference between revisions of "Peripheral Nervous System - Histology"
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===Histology of Myelinated Nerves=== | ===Histology of Myelinated Nerves=== | ||
[[Image:WIKIVETmyleinatednerveinsmallfibre.jpg|thumb|right|150px|Myelinated Nerve in Small Fibre - Copyright John Bredl]] | [[Image:WIKIVETmyleinatednerveinsmallfibre.jpg|thumb|right|150px|Myelinated Nerve in Small Fibre - Copyright John Bredl]] | ||
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Revision as of 16:53, 30 August 2010
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Histology of Myelinated Nerves
Histology of Myelninated Nerve with lipid stain
The myelin stained here gives the nerve it's shape and support.
The perineurium and endoneurium provide a constant environment for the nerve fibres.
Histology of Myelinated Nerve (longitudinal section)
Histology of Ganglion
Histology of Autonomic Ganglion
Histology of Dorsal Root Ganglion
Comparison of the histology of the ganglion
| Autonomic Ganglion | Dorsal Root Ganglion |
|---|---|
| Multipolar cells | Pseudo-unipolar cells |
| Satellite cell layer incomplete.
(amphicytes) |
Satellite cells form complete covering.
(amphicytes) |
| Satellite cell layer incomplete.
(amphicytes) |
Satellite cells form complete covering.
(amphicytes) |
| Cells and fibre tracts interspersed. | Cells and fibre tracts in separate regions. |
| Nucleus usually off centre. | Nucleus centrally placed. |