Diseases of the nervous system .. . the ambiguus vagi, the facial, and the motor tri-geminal (Figs. 48, 49). In a simple bend the cells of the spinal accessory NEURON SYSTEMS AND NEURON DISEASES 59 send their fibers outwardly, first to the front, then horizontally and these root fibers of the spinal accessory combine and form the nerve whichj^asses out of the cervi-cal cord, between its an-terior and posteriorroots, into the lower por-tion of the medulla oblon-gata at the point wherethe remains of the lat-eral columns extendingcaudally from the olivemay still be recognizedextern


Diseases of the nervous system .. . the ambiguus vagi, the facial, and the motor tri-geminal (Figs. 48, 49). In a simple bend the cells of the spinal accessory NEURON SYSTEMS AND NEURON DISEASES 59 send their fibers outwardly, first to the front, then horizontally and these root fibers of the spinal accessory combine and form the nerve whichj^asses out of the cervi-cal cord, between its an-terior and posteriorroots, into the lower por-tion of the medulla oblon-gata at the point wherethe remains of the lat-eral columns extendingcaudally from the olivemay still be recognizedexternally; from its low-est point of origin thecanal of the spinal cordrises vertically, and its1 tranches from the cer-vical cord and medullapassing to it. shoot-like,finally enter the baseof the brain close to thetrunks of the glosso-pha r-yngeal and pneumogas-tric nerves (Fig. 43). The Inipoglossal nerve remains as the last motor cere1)ral nerve (Figs. 48,4:9, 53, and 54) to be discussed. Its nucleus, like that of the abducens ( NIL Decussated fibres oscendinqfrom th c spinol cord Fig. 53.—Section through thk Medulla Obloxgata atTHE Point of Exit of the Pneumogastric. (Diagramafter Edinger.) kirroa


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Keywords: ., bookcentury1900, bookdecade1900, bookpu, booksubjectnervoussystem