. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 102 RHEUMATISM. synovial sacs appear distended, fluctuating and in exactly the same condition as in ordinary bog-spavin. This is what has been termed the exudative form of infectious arthritis. In the second, the enlarged joint remains very sensitive, the walls of the synovial sac are thickened, fluctuation is either absent or only slightly marked, but induration is very manifest. This constitutes the plastic form. Exudative arthritis is the form usually seen at first. It may preserve. Fig. 56.—Plastic form of infectious rheuma


. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 102 RHEUMATISM. synovial sacs appear distended, fluctuating and in exactly the same condition as in ordinary bog-spavin. This is what has been termed the exudative form of infectious arthritis. In the second, the enlarged joint remains very sensitive, the walls of the synovial sac are thickened, fluctuation is either absent or only slightly marked, but induration is very manifest. This constitutes the plastic form. Exudative arthritis is the form usually seen at first. It may preserve. Fig. 56.—Plastic form of infectious rheumatism (pseudo-anchylosis). its primary characteristics, but only too often proves to be the fore- runner of the plastic form, which develops with the lapse of time. If nothing is done wasting becomes more marked, and is accompanied by cachexia. The animals are unable to rise, the complications insepar- able from decubitus occur, and wasting or secondary purulent infection sets in. Lesions. In the exudative form the changes are confined to inflam-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moussu, Gustave, 1864-; Dollar, John A. W. , joint author. New York, W. R. Jenkins


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