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BELLY'S PALSY IMG_20210913_091612_391 - Coggle Diagram
BELLY'S PALSY 
Definition
Sudden weakness or paralysis of the muscles on one side of the face due to mal-function of cranial nerve VII, the facial nerve which stimulates the facial muscles
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Causes
Lyme disease, caused by bacteria
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Sarcoidosis, which causes organ inflammation
HIV, damages the immune system and leads to belly's palsy
References
Fuller G, Morgan C (2016), "Bell's palsy syndrome." Practical Neurology 16, pp 439
Pathophysiology
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Edema can be reabsorbed, leaving reversible or irreversible nerve damage
Compression force may be mild or severe resulting in different degrees of reversible or irreversible ischemic degeneration of myelin sheaths and axon
Vasospasm: Retrograde vascular distension and edema within the epineurium of the bony facial canal, compresses the nerve from outsideits perineurial sheath.
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