File:Diseases of the nervous system (1910) (14773148615).jpg

Identifier: diseasesofnervou00chur (find matches)
Title: Diseases of the nervous system
Year: 1910 (1910s)
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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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 pharynxand oral cavity, especially their posterior portions; more rarely the conjunc-tiva as well as the bladder, urethra and rectum. Analgesia may reach itshighest degree in any of these areas. It has been stated that these disturbances may vary in intensity. In com-plete analgesia they are, however, rarely observed and are not of a decidednature. The localization of derangement of the temperature sense resembles thatof the pain sense, although its distribution and degree do not exactly corre-
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Fiq. 183.—Disturbance of the Pain Sense, Segmentaely Limited. (After Schlesingerand Hahn). The darkest areas correspond to the zones of complete analgesia, the lighterto varying but slighter degrees of disturbance. spond. Like disturbance of pain sense, this may occur early and rapidly leadto injuries, particularly to burns. The temperature sense may be diminished in any degree, and this disturb-ance may vary in that the sense for heat or for cold only may be impaired,or that the sensations may vary in degree of impairment. There may be a SYMPTOMATOLOGY 599 variation in the rapidity of conduction of impressions for heat and cold aswell as an inversion of these sensations, so that heat is mistaken for cold andvice versa, or cold and heat are appreciated only as coolness and warmth. Adelayed temperature sense has been observed in rare cases. The disturbance of temperature sense is almost invariably combined withdisturbance of the sense of pain; but it may occur earlier, and in some ca

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