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13 bytes removed ,  21:29, 19 August 2007
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** Is particularly seen in viral conditions of epithelial tissue.
 
** Is particularly seen in viral conditions of epithelial tissue.
 
* [[Oral Cavity - Cavity & Gingiva#Foot and Mouth disease|Foot and Mouth Disease]] is the best example.
 
* [[Oral Cavity - Cavity & Gingiva#Foot and Mouth disease|Foot and Mouth Disease]] is the best example.
** The virus attacks the stratum spinosum of the epithelium of the tongue and feet.  
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** Foot and Mouth virus attacks the stratum spinosum of the epithelium of the tongue and feet.  
*** Affected cells are balloon up with water containing the replicating virus.
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** Affected cells balloon up with water containing the replicating virus, swelling until they burst.  
*** Cells swell until they burst.
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*** The fluid contained in the cells then forms microvesicles (blisters) in the stratum spinosum.
**** The fluid they contained in the cells then forms microvesicles (blisters) in this layer of the epithelium.
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**** Blisters may later burst, shedding vast quantities of the virus.
***** May later burst, shedding vast quantities of the virus. W
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** On bursting, the edges of the erosions look ragged.
***** When it bursts, the edges of the erosion look ragged, but within weeks the germinal epithelium at the base of the erosion regenerates the epithelium, leaving no trace of a scar.
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*** Within weeks, the germinal epithelium at the base of the erosion regenerates the epithelium, leaving no trace of a scar.
    
====Vacuolar Degeneration====
 
====Vacuolar Degeneration====
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