File:Diseases of the dog and their treatment (1911) (14761957916).jpg

Identifier: diseasesofdogthe00ml (find matches)
Title: Diseases of the dog and their treatment
Year: 1911 (1910s)
Authors: Müller, Georg Alfred, 1851-1923 Glass, Alexander
Subjects: Horses Dogs -- Diseases
Publisher: Chicago, Ill. : Alexander Eger
Contributing Library: Webster Family Library of Veterinary Medicine
Digitizing Sponsor: Tufts University

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l Cord.—This condition follows asa sequence to the acute foim or it commences at the onset as a gradualprogressive affection. It has been contended that overstimulation of the INFLAMMATION OF THE SPINAL CORD AND MEMBRANES 247 sexual organs is an exciting cause, but this is not admitted by all ob-servers. Chronic inflammation of the cord is indicated by disturbances ofmobility, the animal is easily tired on very slight exertion, shows a wantof coordination in walking, great difficulty in rising after lying down forsome time, regular or irregular twitching of the muscles in the affectedextremities, or complete paralysis of the hind quarters and in very rareinstances of the anterior limbs, more or less disturbance of the sphincters,and gradual atrophy of the affiected muscles. The appetite is invariablygood and there is no rise of temperature. Pachymeningitis spinalis ossificans, that peculiar disease indicated bya gradual ossification of the spinal membranes, is not at all uncommon in
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Fi3. 95.—ParalysLs of the cord. dogs of an advanced age. This disease consists of a gradual inflamma-tory process of the dura mater, in which that tissue gradually becomesfilled with numerous irregular or massed collections of tolerably firmbony scales, situated on the ventral surface of the tissue, particularlyin the region of the cervical and lumbar regions of the cord. Thewhole dura mater may become converted into a hard bony tube, and inexertion of the body the roots of the nerves may be torn from the spine.The ossific hardening of the dura may be present for a long time be-fore any actual clinical symptoms are present (Cadeac) and are gener-ally produced by laceration of the sensory nerve fibres, by violent orunusual movements, or movements in a certain direction of the spine. Thevoluntary movements of the animal are cautious, stiff, or stilty, either onwalking about, lying down, getting up or climbing up stairs; the latter hemay refuse to do, and on forcibly bending the spinal

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