Practical pathology; a manual for students and practitioners . an fissure. b. Anterior horn of grey matter. c. Anterior nerve root. d. Posterior nerve root, running from the posterior horn of grey matter. e. Column of Burdach, or postero-external tract undergoing secondary Column of Goll, or postero-internal tract in a still more advanced stage of Posterior median fissure. The direct cerebellar and Gowers tracts are unaffected. new formation of fibrous tissue which takes on a deep pink whenstained with picro-carmine. ( X 50).—Scattered at irregular intervals thr
Practical pathology; a manual for students and practitioners . an fissure. b. Anterior horn of grey matter. c. Anterior nerve root. d. Posterior nerve root, running from the posterior horn of grey matter. e. Column of Burdach, or postero-external tract undergoing secondary Column of Goll, or postero-internal tract in a still more advanced stage of Posterior median fissure. The direct cerebellar and Gowers tracts are unaffected. new formation of fibrous tissue which takes on a deep pink whenstained with picro-carmine. ( X 50).—Scattered at irregular intervals through this pink tissueare more opaque patches—collections of breaking-down axis cylindersor colloid bodies derived from altered nerve fibres. Near the surfacethe vessels are considerably congested, their walls are thickened, andthe perivascular spaces are filled with granular masses. Where the LOCOMOTOR ATAXIA AND ASCENDING DEGENERATION 637 disease is furthest advanced, in some parts of the postero-externacolumns, the axis cylinders have ?^~>-3Cv ^^ ^: ^^
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