Nervous and mental diseases . the problem as well as the anatomical relations of zoster whichare not presented by eczema. Herpes occurring after arsenic andcarbonic oxid gas poisoning and herpes associated with pneumonia,meningitis, malaria, and typhoid present identical changes in theganglia, nerves, and In these forms the girdle distribution isnot pronounced, and the skin eruption tends to be symmetrical, thoughtypical zoster may be encountered in these associations. Herpes simplex, affecting the lips and nose in coryza and gastro-intestinal intoxications, and herpes genitalis are sti
Nervous and mental diseases . the problem as well as the anatomical relations of zoster whichare not presented by eczema. Herpes occurring after arsenic andcarbonic oxid gas poisoning and herpes associated with pneumonia,meningitis, malaria, and typhoid present identical changes in theganglia, nerves, and In these forms the girdle distribution isnot pronounced, and the skin eruption tends to be symmetrical, thoughtypical zoster may be encountered in these associations. Herpes simplex, affecting the lips and nose in coryza and gastro-intestinal intoxications, and herpes genitalis are still unclassified as tothe participation of the root ganglia. Treatment.—The treatment seems comparatively unimportant. Anantiseptic local dressing, preferably a dry one, a free action of thebowels, and the elimination of any discoverable toxic or infectiouselement are the indications. If the pain or burning sensation is severea one per ccuit. cocain ointment will give relief. 1 Howard, Amer. Jour. Med. Sciences, Feb., Fig. 119.—Herpes zoster confined to the fifth andsixth dorsal cord segments. PAET V. DISEASES OF THE CORD PROPER. CHAPTER Anatomical Considerations.—The spinal cord reaches from theforamen magnum to the lower border of the body of the first lumbarvertebra. From its lower portion the lumbar and sacral nerve-rootsextend to their several intervertebral foramina and make up the caudaequina, which occupies the dura] sheath from the lumbar enlargementof the cord to the bottom of the sacral canal. The relations of thecord to the surface of the body and to the vertebral bodies and thespinous processes are shown in figures 120 and 121. The cord is to be considered as made up of a number of similar andpartly independent segments corresponding to the vertebral bodies, andeach bearing a pair of spinal nerves. In addition it furnishes a longi-tudinal pathway for afferent and efferent nervous impulses. In earlyfetal life these cord-segments arc in ap
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