The diseases and disorders of The diseases and disorders of the ox, with some account of the diseases of the sheep diseasesdisorderox00gres Year: 1889 220 THE DISEASES AND DISOEDEES OF THE OX. pale. The action of the heart is tumultuous, and the pulse is well nigh imperceptible. There is often dropsy of the dependent parts, and sometimes, though rarely, ulceration of the joints and glands. The disease in the second and third stages may be complicated by inflammation of the lungs or of the pleurae, which latter may be due to perforation of the serous membrane of the lung, and thus death may q
The diseases and disorders of The diseases and disorders of the ox, with some account of the diseases of the sheep diseasesdisorderox00gres Year: 1889 220 THE DISEASES AND DISOEDEES OF THE OX. pale. The action of the heart is tumultuous, and the pulse is well nigh imperceptible. There is often dropsy of the dependent parts, and sometimes, though rarely, ulceration of the joints and glands. The disease in the second and third stages may be complicated by inflammation of the lungs or of the pleurae, which latter may be due to perforation of the serous membrane of the lung, and thus death may quickly ensue. Post-mortem Appearances.—If the body is examined after death, tubercles are seen in various parts. These are found in the external portions of the lungs, and in the connective tissue beneath their lining membranes, and in that which divides the lung-tissue into separate lobules. Large portions of the lungs are replaced by the tubercular matter, and they may weigh as much as 60 pounds. Tubercles are found in the lungs, pleurse, lymphatic glands, and other organs. Many tubercles are often massed together; but each tubercle itself, the essential element in Fig. 24. From a preparation of caseous matter obtained from pulmonary deposits in Bovine Tuberculosis. Jlanifying power 700. (After Klein.) The tubercle- bacilli are seen crowded within two hirfje cells, and also scattered between them as a result of the disintegration of other cells. this disease, is a small, round tumour, which is at first semi- transparent, but may afterwards soften or calcify. It is generally spherical, and of about the size of a grain of millet, or hemp-seed. The larger so-called tubercles, spoken of as being as large as a walnut or larger, are in reality aggregations of the smaller ones. Each tubercular mass can only with difficulty be crushed or separated from the surrounding tissues, from which it is not marked off by any definite wall. A tubercle, though itself non-vascular, is yet pl
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