Nervous and mental diseases . Fig. Fig. 199. Figs. 197, 198, and 199.—Sections from three spinal cords showing degenerations due to pernicious anemia (Billings). cipally located in the white matter of the cord, and show a decidedtendency to mainly affect the posterior half, giving rise to a group of DISEASES OF THE WHITE MATTER OF THE CORD. 469 symptoms referable to the posterior and lateral tracts. In some in-stances, however, the anterior portion of the cord and even the graymatter is involved. By experimentally induced anemia in the brainand cord Massaro, Sciciliano, and Soukhanoff ha
Nervous and mental diseases . Fig. Fig. 199. Figs. 197, 198, and 199.—Sections from three spinal cords showing degenerations due to pernicious anemia (Billings). cipally located in the white matter of the cord, and show a decidedtendency to mainly affect the posterior half, giving rise to a group of DISEASES OF THE WHITE MATTER OF THE CORD. 469 symptoms referable to the posterior and lateral tracts. In some in-stances, however, the anterior portion of the cord and even the graymatter is involved. By experimentally induced anemia in the brainand cord Massaro, Sciciliano, and Soukhanoff have demonstrated similarcellular changes in animals. Teichmueller, Minnich, Lichtheim, in Ger-many, Russell, Batten, Collier, in England, Dana, Putnam, Biggs, andBillings, in this country, among many others, have not only confirmedNonnes findings, but broadened the general field of known degenerativeconditions secondary to depraved physical states. The consensus ofopinion now seems to be that the cord changes are due to a toxic process
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
