Handbook of meat inspection . Pneumonomycosis of cattle (after Röckl).A, Center of a pulmonary tubercle wilh fungous mycelia; B, isolated hyphae. mycelium is observed in the tubercles, caused by aspergillus. Onthe borders of the tubercles, however, relatively short hyphae areobserved Ijing closely together like sheaves radially arranged. Avery characteristic structure, not unlike an aster, is thus produced(Fig. 79). Aspergillosis may also be readily distinguished frompleuro-pneumonia, to which it has a great similarity, by microscopiciuvestigation. In the case described by B-öckl, the lungs we
Handbook of meat inspection . Pneumonomycosis of cattle (after Röckl).A, Center of a pulmonary tubercle wilh fungous mycelia; B, isolated hyphae. mycelium is observed in the tubercles, caused by aspergillus. Onthe borders of the tubercles, however, relatively short hyphae areobserved Ijing closely together like sheaves radially arranged. Avery characteristic structure, not unlike an aster, is thus produced(Fig. 79). Aspergillosis may also be readily distinguished frompleuro-pneumonia, to which it has a great similarity, by microscopiciuvestigation. In the case described by B-öckl, the lungs were in part iufestedwith tubercles of the size of hemp seed and in part exhibited theSymptoms of extensive hepatization. The hepatized areas were \ RESPIRATORY APPARATÜ8 327 conspicuons for their marblecl appearauce. Furthermore, ulcerswero fouuil on tbe bronchial mucons uietubraue and stratifiedthroiubi in tbe regiou of tbe bepatized portion, The cases observed by Lucet ran a course with Symptoms ofsepticemia, with beraorr
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