Diseases of the nervous system .. . Tuptoms of hysteria are absent. Ofcourse, in some of the cases hysteria may be associated with syringomyelia aswith other organic Fig. 182. — The Variovs Limits of theZones of Sensory Disturbance uponTHE Head. (After v. Soelder and Schles-inger.) 598 SYRINGOMYELIA How this member-like limited analgesia may be derived from anatomicalchanges is still not clear, in spite of ingenious hypotheses. But, inversely, itseems to throw some light upon hysterical analgesia and its nature, a pointwhich I cannot here discuss. Thirdly, when there are extensive c

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Diseases of the nervous system .. . Tuptoms of hysteria are absent. Ofcourse, in some of the cases hysteria may be associated with syringomyelia aswith other organic Fig. 182. — The Variovs Limits of theZones of Sensory Disturbance uponTHE Head. (After v. Soelder and Schles-inger.) 598 SYRINGOMYELIA How this member-like limited analgesia may be derived from anatomicalchanges is still not clear, in spite of ingenious hypotheses. But, inversely, itseems to throw some light upon hysterical analgesia and its nature, a pointwhich I cannot here discuss. Thirdly, when there are extensive changes in the posterior gray substanceand the long sensory tracts, a sensory paralysis of the Brown-Sequard typemay exist, also a bilateral form involving the entire trunk and the legs, aswell as the segmental type in the arms, perhaps also in the face. In theBrown-Sequard variety, besides the partial sensory paralysis which is usuallyvery conspicuous upon one side of the body, there is simultaneously a markedmotor paralysis upon the other side. The mucous membranes most frequently affected are those of the phar^^nxand oral cavity, especially their posterior portions;

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Keywords: ., bookcentury1900, bookdecade1900, bookpu, booksubjectnervoussystem