. A manual of bacteriology. Bacteriology. 42 2 MANUAL OF BACTERIOLOGY. Melaniferous leukocytes are seen in the blood, being espe- cially abundant after the paroxysm in all forms of malarial infection.* These are phagocytes which have taken up the pigment granules liberated by the disintegration of the erythrocytes. Small-pox and Vaccinia.—Micrococci of various sort have been found in the pustules of small-pox and vaccinia,. Fig. iio.—Trypanosomes in the blood of the rat. (X looo.) Romanowsky stain. but indicate only a secondary infection. Other microorgan- isms have been described. The most im


. A manual of bacteriology. Bacteriology. 42 2 MANUAL OF BACTERIOLOGY. Melaniferous leukocytes are seen in the blood, being espe- cially abundant after the paroxysm in all forms of malarial infection.* These are phagocytes which have taken up the pigment granules liberated by the disintegration of the erythrocytes. Small-pox and Vaccinia.—Micrococci of various sort have been found in the pustules of small-pox and vaccinia,. Fig. iio.—Trypanosomes in the blood of the rat. (X looo.) Romanowsky stain. but indicate only a secondary infection. Other microorgan- isms have been described. The most important are certain bodies often considered protozoa. In both small-box and vaccinia small, round homogeneous bodies, 2 to 4 /^ in diam- eter, have been found in the epithelial cells of the vesicles. Inoculation of vaccine lymph into the. rabbit's cornea leads to the production of similar bodies in the epithelial cells of the *See also Ewing. Journal Experimental Medicine. Vols. V. and 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 Williams, Herbert Upham, 1866-; Bolton, Benjamin Meade, 1857-1929. Philadelphia, P. Blakiston's Son & Co.


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