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Esclerose lateral amiotrófica # Desafio do Balde de Gelo ( Parte 2)
Esclerose lateral amiotrófica # Desafio do Balde de Gelo ( Parte 2)
Esclerose lateral amiotrófica # Desafio do Balde de Gelo ( Parte 2)

Esclerose lateral amiotrófica # Desafio do Balde de Gelo ( Parte 2)

Keywords: Education;
A esclerose lateral amiotrófica (ELA), também designada por doença de Lou Gehrig1 e doença de Charcot, é uma doença neurodegenerativa progressiva e fatal, caracterizada pela degeneração dos neurônios motores, as células do sistema nervoso central que controlam os movimentos voluntários dos músculos, e com a sensibilidade preservada.

É a forma mais comum das doenças do neurônio motor e o termo esclerose lateral refere-se ao "endurecimento" do corno anterior na substância cinzenta da medula espinhal e do fascículo piramidal no funículo lateral da substância branca da medula, no qual se localizam fibras nervosas oriundas de neurônios motores superiores, formando o trato cortico-espinhal lateral.

Os músculos necessitam de uma inervação patente para que mantenham sua funcionabilidade e trofismo, assim, com a degeneração progressiva dos neurônios motores (tanto superiores, corticais, quanto inferiores, do tronco cerebral e medula), ocorrerá atrofia por desnervação, observada, na clínica, como perda de massa muscular, com dificuldades progressivas de executar movimentos e perda de força muscular.


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