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Two nerve fibers of the sciatic nerve. Labels: A. Node of Ranvier. B. Axis cylinder. C. Sheath of Schwann with nuclei.

Nerve Fibers of the Sciatic Nerve

Two nerve fibers of the sciatic nerve. Labels: A. Node of Ranvier. B. Axis cylinder. C. Sheath of Schwann…

Gray, pale, or gelatinous nerve fibers. A. From a branch of olfactory nerve of the sheep: two dark bordered or white fibers from the fifth pair are associated with the pale olfactory fibers. B. From the sympathetic nerve.

Gelatinous Nerve Fibers

Gray, pale, or gelatinous nerve fibers. A. From a branch of olfactory nerve of the sheep: two dark bordered…

Primitive nerve fibers. A, A perfectly fresh tubule with a single dark outline. B. A tubule or fiber with a double contour from commencing post-mortem change. C. The changed further advanced, producing a varicose or beaded appearance. D. A tubule or fiber, the central part of which , in consequence of still further changes, has accumulated into separate portions within the sheath.

Primitive Nerve Fibers

Primitive nerve fibers. A, A perfectly fresh tubule with a single dark outline. B. A tubule or fiber…