Neuronal Axon Enveloped in Protective Myelin (IMAGE)

Harvard Medical School

Neuronal Axon Enveloped in Protective Myelin

Caption

A soft, gel-like substance called myelin envelopes the axons of neurons to shield them from damage. In ALS, the protective sheath is gradually stripped off, leaving axons bare, exposed and vulnerable to damage. Harvard Medical School researchers have identified a key instigator of this process.

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