. Elements of histology. Histology. 144 Elemexts of Histology. the ner\'e or after other pathological changes, or in the natural course of its existence (S. Maver), the medullarv sheath is the first to undergo cliange ; it breaks uj) into similar smaller or larger globules or. Fig. 98.—From a Transverse Section through the Vagus Xerve, showing in the nerve bundles nerve fibres (in cross-section) which differ markedly in size, some being much larger than others. (Photo., highly imignified.) particle-, whicli gradually l)ec'ome granular and absorbed. Later also the axis cylinder dwindles away, a
. Elements of histology. Histology. 144 Elemexts of Histology. the ner\'e or after other pathological changes, or in the natural course of its existence (S. Maver), the medullarv sheath is the first to undergo cliange ; it breaks uj) into similar smaller or larger globules or. Fig. 98.—From a Transverse Section through the Vagus Xerve, showing in the nerve bundles nerve fibres (in cross-section) which differ markedly in size, some being much larger than others. (Photo., highly imignified.) particle-, whicli gradually l)ec'ome granular and absorbed. Later also the axis cylinder dwindles away, and only the neurilemma with the nucleated corpuscles persist. 140. Each medullated nerve fibre (Figs. 99, 101) consists of tlie following parts : {a) the central axis cylinder, axon or neuraD:on. This is the essential part of the fibre, and is a cylindrical or Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Klein, E. (Edward), 1844-1925; Edkins, John Sydney, b. 1865. Philadelphia : Lea Brothers
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