特发性面神经麻痹Bellpalsy PPT课件.ppt
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1、 Bell palsy-Mark Bell palsyWhich side of the face have problem?Idiopathic facial palsy Bell palsynYou wake up one morning,and your face feels stiff,when you look in a mirror,half your face appears to droop.nYou can only manage half a smile,your eye is dripping tears and doesnt want to close.nWhat in
2、 the world is going on?Bell palsyNo silly its Bell PalsyScottish anatomist,surgeon,and physiologist,born November 1774;died 28th April,1842.Who is Bell?Charles BellWell known for his studies on the nervous system and the brain.In the 19th century he discovered that lesions of the 7th cranial nerve c
3、auses facial paralysis.Bell palsyWhat nerve was that again?The 7th cranial nerve is paired with the structure that travels through a narrow,bony canal(called the Fallopian canal)in the skullbeneath the ear Bell palsyThe nerve is mostly encased in this bony shell.Bell palsyFacial NerveEach nerve cont
4、rols:Eye blinking and closingFacial expressionsSmiling and frowningTear glands(腺体)Taste sensationsFunction Bell palsyVaries from person to personComes on suddenlyMild to total paralysisWeakness,twitching(抽搐)on one of both sides of the faceFacial and eyelid droopDroolingDryness of eye or mouthImpairm
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