Text-book of ophthalmology . Fig. 265.—Longitudinal Section through the Optic Nerve Head. Magnified 20 X nerve fibers of the trunk of the nerve, whenever they are medullated. are stained black byWeigerts hematoxylin stain. The medullary coating extends as far as the lamina. Proceeding frombehind forward, the sclerotico-chorioidal canal shows first a dilatation, then a contraction. E, physio-logical a Fig. 267.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjecteye, booksubjectophth