. Manual of bacteriology. Bacteriology. A^^^f^ 4^r^^ V (. number and in their site is met with in tuberculosis of other animals. In dis- charges from tubercular le- sions which are breaking- down, tuber- cle bacilli are usually to be found. In the sputum of phthisical pa- tients their presence can be demon- strated almost invariably at some period, and sometimes their numbers are very large (for method of staining see p. 104). Several examinations may, however, require to be made; this should always be done before any conclusion as to the non-tubercular nature of a case is come to. In cases of
. Manual of bacteriology. Bacteriology. A^^^f^ 4^r^^ V (. number and in their site is met with in tuberculosis of other animals. In dis- charges from tubercular le- sions which are breaking- down, tuber- cle bacilli are usually to be found. In the sputum of phthisical pa- tients their presence can be demon- strated almost invariably at some period, and sometimes their numbers are very large (for method of staining see p. 104). Several examinations may, however, require to be made; this should always be done before any conclusion as to the non-tubercular nature of a case is come to. In cases of genito-urinary tuberculosis they are usually present in the urine ; but as they are much diluted it is difficult to find them unless a very complete formation of deposit is allowed to take place. This deposit is examined in the same way as the sputum. It is, however, much easier to obtain their sep- aration by means of the Cen- Fig. bacilli in urine; show- trifuo*e If this method is i",? one of the characteristic clumps, in which thev often occur. Stained with carbol-fuchsin employed, baCllh can usually and methylene-blue. X 1000. Fig. 91. — Tubercle bacilli in giant-cells, showing the radiate arrangement at the periphery of the cells. Section of tubercular udder of cow. Stained with carbol-fuchsin and Bismarck-brown. X 1000. ^ % ^. 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 Muir, Robert, 1864-; Ritchie, James, 1864-1923; Harris, Norman MacLeod. New York, The Macmillan Company; London, Macmillan
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