. A treatise on nervous and mental diseases, for students and practitioners of medicine. Photo-micrograph of the cervical region of the cord in a ease oi diameters. Fig. 116 is another photo-micrograph of the cord at about thesame Icgion, representing a loss of substance in the posterior col-umns, which, however, is magnified in the photograph, and whichwas increased somewhat by section under the microtome. In the ensuing figures, 117, 118, are represented the secondary 202 NERVOUS DISEASES. degenerations which ensued in this case. It is a well-known lawof spinal patholo


. A treatise on nervous and mental diseases, for students and practitioners of medicine. Photo-micrograph of the cervical region of the cord in a ease oi diameters. Fig. 116 is another photo-micrograph of the cord at about thesame Icgion, representing a loss of substance in the posterior col-umns, which, however, is magnified in the photograph, and whichwas increased somewhat by section under the microtome. In the ensuing figures, 117, 118, are represented the secondary 202 NERVOUS DISEASES. degenerations which ensued in this case. It is a well-known lawof spinal pathology that from a focus of any lesion there is apt to bea descending and an ascending degeneration, the latter being along. Photo-micrograph of the cervical region of tlie cord in a case of diameters. the course of some motor set of fibres, the former along the courseof some sensory set of fibres ; in other words, these degenerations areusually in the course of the nerve impulses, so that in the motor Fig. 117.


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