. Diseases of the nervous system : for the general practitioner and student. Fig. 119.—Neuritis of Sciatic Nerve. (Original.) Examination shows a tumefaction of the tissue surrounding the of the blood vessels, extravasation of blood and sero-fibrinousexsudation infiltrating the sheath, leucocytes around the vessels arethe first changes. Gradually these alterations extend to the interstitialtissue which proliferates. The exsudation within the sheath producespressure on the nerve-fiber itself. In the latter the myelin becomesbroken up into fine particles. When the disease advanc
. Diseases of the nervous system : for the general practitioner and student. Fig. 119.—Neuritis of Sciatic Nerve. (Original.) Examination shows a tumefaction of the tissue surrounding the of the blood vessels, extravasation of blood and sero-fibrinousexsudation infiltrating the sheath, leucocytes around the vessels arethe first changes. Gradually these alterations extend to the interstitialtissue which proliferates. The exsudation within the sheath producespressure on the nerve-fiber itself. In the latter the myelin becomesbroken up into fine particles. When the disease advances, the axis-cylinder itself takes part in the morbid process. It undergoes degener-ation and in more pronounced cases it atrophies and disappears. Incases of primary parenchymatous neuritis, viz. without the involvement 377 378 NEURITIS.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnervous, bookyear1913
