. Bacteria and their products. Bacteriology. LEPROSY. 247 They may be stained by almost any of the methods that are used for staming the tubercle bacillus, although here any method that is used must be slightly modified, as the bacilli characteristic of leprosy are rather more easily decolorized by acids than are the tubercle bacilli. The Ziehl-Neelsen method, with a contrast stain of methyl blue, gives most admirable results, or Gram's method may be used. The. Bacilli from Juice of a Leprosy Nodule, x 500. bacilU so stained are seen to be from 4 to 6/* in length and .3/t in breadth ; they are
. Bacteria and their products. Bacteriology. LEPROSY. 247 They may be stained by almost any of the methods that are used for staming the tubercle bacillus, although here any method that is used must be slightly modified, as the bacilli characteristic of leprosy are rather more easily decolorized by acids than are the tubercle bacilli. The Ziehl-Neelsen method, with a contrast stain of methyl blue, gives most admirable results, or Gram's method may be used. The. Bacilli from Juice of a Leprosy Nodule, x 500. bacilU so stained are seen to be from 4 to 6/* in length and .3/t in breadth ; they are more constant in size than are the tubercle bacilli, and, as a rule, are not marked by the curves that are almost characteristic of that organism ; their ends appear to be slightly pointed. It was at one time considered to be beyond controversy that these bacilli contained spores ; but more recent observations on these and other organisms have led observers to the conclusion that what were at one. 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 Woodhead, German Sims, Sir, 1855-1921. London [etc. ] The W. Scott Publishing Co. , Ltd
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