File:Diseases of the nervous system - a text-book of neurology and psychiatry (1915) (14802641383).jpg

Identifier: diseasesofnervo00jell (find matches)
Title: Diseases of the nervous system : a text-book of neurology and psychiatry
Year: 1915 (1910s)
Authors: Jelliffe, Smith Ely, 1866-1945 White, William A. (William Alanson), 1870-1937
Subjects: Mental Disorders Nervous System Diseases
Publisher: Philadelphia : Lea & Febiger
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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the upper dorsalroot. Extraspinal as well as intraspinal lesions go to make up thesymptom picture. This picture is rarely complete, but as the fibersmaking up the plexus have a fairly definite arrangement so far asmuscular distribution is concerned, a study of the muscles involvedgives a key to the roots injured. The fifth and sixth cervical roots contain the fibers going to the PLEXUS PALSIES 287 deltoid, biceps, brachialis anticus, supinator longus, supra- and sub-scapularis, the clavicular fascia of the pectoralis major, and theserratus magnus. The seventh cervical root contains the fibers dis-tributed to the triceps, the sternal portion of the pectoralis major,to the dorsalis magnus, to the extension of the wrist, and also somefilaments to the median and ulnar nerves. The eighth cervical and the eighth dorsal form the brachial, internalcutaneous, ulnar, median and parts of the radial with their muscularinnervations, as seen in the illustrations. (See Figs. 11 to 16, alsoFig. 126.)
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Figs. 137, 138, and 139.—Distribution of radicular sensory disturbances in case oftraumatic brachial palsy of the left side. There was total paralysis, atrophy, and loss oftendon reflexes, edema, and cyanosis of left arm. Abolition of all types of sensibilityof the distribution of the Cv to Di. Myosis and enophthalmus in left eye. (Dejerine-Klumpke.) The clinical pictures seen are those of a total brachial plexus palsy;a superior and inferior type. Total Brachial Palsy.—Here all of the muscles of the hand are par-alyzed, those of the forearm, the arm and the shoulder. The armhangs limp like a flail. In the early stages the skin is cyanosed,there are severe pains (in the accidental cases), and a loss of the secre-tion of sweat. Atrophy comes on quickly and is extreme, with lossof electrical responses. Trophic disturbances are usually present. AFFECTIONS OF THE PERIPHERAL NERVES Sensory disturbances are present. There is loss to all forms ofsensibility, including the sense of positi

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