. The pathology and differential diagnosis of infectious diseases of animals : prepared for students and practitioners of veterinary medicine . Veterinary medicine; Communicable diseases in animals. 266 ACTINOMYCOSIS In the lungs. The lesions in the lungs vary. They may consist of firm, somewhat yellowish nodules which eventually become cal- careous in their center and vary in size from mere specks to that of a pea. This form is spoken of as miliary actinomycosis. In the second form the actinomycotic foci soften and become filled with a gray muco-purulent fluid. The lesion may spread to the pl
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. The pathology and differential diagnosis of infectious diseases of animals : prepared for students and practitioners of veterinary medicine . Veterinary medicine; Communicable diseases in animals. 266 ACTINOMYCOSIS In the lungs. The lesions in the lungs vary. They may consist of firm, somewhat yellowish nodules which eventually become cal- careous in their center and vary in size from mere specks to that of a pea. This form is spoken of as miliary actinomycosis. In the second form the actinomycotic foci soften and become filled with a gray muco-purulent fluid. The lesion may spread to the pleurae and even reach to the surface of the body by penetrating through the thoracic wall. The bronchial glands and the mucosa of the air passages may also become affected. The trachea may be the seat of actinomycotic growths. In other organs. Ac- tinomycosis has been reported rarely as attack- ing the udder, spermatic cord, brain, spleen, liver, muscle, diaphragm, peri- toneum, inguinal glands, vagina, uterus and cer- vical vertebrae. Joest has reported a case in the kidneys of swine. Acti- nomycotic peritonitis has been found in cattle. This consists of nodules scattered more or less thickly over the serous membrane. Assmann has recently summarized the litera- ture on the dissemination of the lesions and has concluded that general- ized actinomycosis is not rare in occurrence. He gives a detailed descrip- tion of eleven cases in cattle and hogs.. Fig. 62. ACTINOMYCOTIC GROWTH (o) IN THE TRACHEA OF A COW.. 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 work.. Moore, Veranus A. (Veranus Alva), 1859-1931. New York : Macmillan
