Diseases of the nervous system .. . Fig. 83. -The Btjlbus Olfactorius of the Mouse.(After Obersteiner.). Fig. 84.—Diagram of the Origin and Termination of the Nerve Roots in the GraySubstance of the Spinal Cord and the Distribution of the Nerve-cells of theLatter. (After Beehterew.) NEURON SYSTEMS AND NEURON DISEASES 89 Here they receive the name lemniscus (or laqiiens. formerly olivary inter-mediary layer) and pass on to the frontal region. Before following the path of the lemniscus we must return to those pos-terior root fibers which ascend in the posterior columns of the spinal has
Diseases of the nervous system .. . Fig. 83. -The Btjlbus Olfactorius of the Mouse.(After Obersteiner.). Fig. 84.—Diagram of the Origin and Termination of the Nerve Roots in the GraySubstance of the Spinal Cord and the Distribution of the Nerve-cells of theLatter. (After Beehterew.) NEURON SYSTEMS AND NEURON DISEASES 89 Here they receive the name lemniscus (or laqiiens. formerly olivary inter-mediary layer) and pass on to the frontal region. Before following the path of the lemniscus we must return to those pos-terior root fibers which ascend in the posterior columns of the spinal has been mentioned, they extend to the medulla oblongata where theyterminate in numerous cells wliich ariseat the height of the pyramidal decussa-tion, the nuclei of Burdachs columnsand of Golls columns (Figs. 53, 8T, 91,92). These nuclei may be traced as faras the beginning of the fourth this the fibers in the posterior col-umn gradually become more sparse, andfinally disappear completely. From the cells of these nuclei nervefibers originate which form the sensoryneurons of the second
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