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Washington University Experience | NEURODEGENERATION | ALS | 2F3 ALS (Case 2) N10 Cx Biels Corticospinal 40X

2F3,4 Higher magnification of the CST (2F3) compared to the DC (2F4). The parallel loss of myelin and axons reflects tract degeneration not demyelination. (LFB-PAS, Bielschowsky)

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