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*Characteristic of Bluetongue Virus,
*Characteristic of Bluetongue Virus,
*Epithelium lost and haemorrhage produces blue / black discoloration of the [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]], hence the name.
*Epithelium lost and haemorrhage produces blue / black discoloration of the [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]], hence the name.
*Caused by [[Reoviridae|bluetongue virus of family Reoviridae]]
*Non-contagious
*Insect-borne
*Causes vasculitis, especially in oral cavity
*Grossly:
**Infarctions -> necrosis
**Haemorrhage
*Histologically:
**Necrosis -> calcification or regeneration (depends on age of lesion)
[[Category:Orbiviruses]][[Category:Cattle]][[Category:Sheep]][[Category:Pig]]
[[Category:Orbiviruses]][[Category:Cattle]][[Category:Sheep]][[Category:Pig]]
[[Category:Tongue_-_Pathology]][[Category:To_Do_-_Viruses]]
[[Category:Tongue_-_Pathology]][[Category:To_Do_-_Viruses]]