File:Diseases of the nervous system (1908) (14592586980).jpg

Identifier: diseasesofnervo00chur (find matches)
Title: Diseases of the nervous system ..
Year: 1908 (1900s)
Authors: Church, Archibald, b. 1861, ed Salinger, Julius L. (Julius Lincoln), tr
Subjects: Nervous system
Publisher: New York and London : D. Appleton and company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
Fig. 56.—Convexity of the Brain Seen from the Side. (After Toldt.)
Text Appearing After Image:
Fig. 57.—Motor Region of the Cerebral Cortex in Man. (After Oppenheim.)62 NEURON SYSTEMS AND NEURON DISEASES 63 ments of the eye is behind the center for the upper extremities in the anteriorportion of the parietal lobe. Here it is worth while to examine the chamctenstic structure of the motorcerebral cortex which is particularly rich infibers and cells. As is well known the entire cortex ofthe brain is composed of several layers.Layers of cells of various kinds alternateAvith rows of fine fibers which are arranged)adially, horizontally or vertically. In dif-ferent areas of the cortex of the brain thisstructure is sometimes simple, sometimescomplicated, and perliaps is most compli-cated in the hippocampus major. But the motor cortex of the l)rain alsois characterized by manifold layers (Figs.08, 59). First we have a layer of numeroussmall pyramidal cells bchnv a tangentialfiber mass composed of a few small cells.Then comes a broad, deep layer composedof less numerous Init very large

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