AMAarchives of neurology & psychiatry . -•^ !;•. Fig. 3.—Gitter cells of various types containing lipoid particles are shownin relation to blood vessels. Some of the gitter cells contain definite enclosures(myelophages). Axis Cylinders : The axis cylinders showed changes which, in our opinion,were proportional to the structural modifications noted in the myelin axis cylinders had been involved in the process secondarily to. or in someinstances coincidentally with, the destruction of the myelin sheath. This viewis based on the fact that in many scars devoid of myelin coat and normal


AMAarchives of neurology & psychiatry . -•^ !;•. Fig. 3.—Gitter cells of various types containing lipoid particles are shownin relation to blood vessels. Some of the gitter cells contain definite enclosures(myelophages). Axis Cylinders : The axis cylinders showed changes which, in our opinion,were proportional to the structural modifications noted in the myelin axis cylinders had been involved in the process secondarily to. or in someinstances coincidentally with, the destruction of the myelin sheath. This viewis based on the fact that in many scars devoid of myelin coat and normalnerve fibers there were naked axis cylinders, fairly uniform in outline, unin-terrupted in their course and showing practically no pathologic changes 372 arciiues op xeurology and psychiatry i¥\^. 4). We arc not in accord with the observations of Shimozono orWohlwill, l)ut support tin- studies of Hassin. It is true that there existnumerous naked axis cylinders which show advanced pathologic changes, suchas vacuolization, fragmentation, swell


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