. Pathogenic microörganisms; a practical manual for students, physicians, and health officers . Fig. 6.—B. diphtherije No. 8 from10 days broth pelhcle, showing longi-tudinal fusion and position of metachroma-tic granules. Stained with Lofflersmethylene blue. X 2000 diameters. W i (1 «.;. Fig. 7.—Bacillus biltschlii: a to c, incomplete division of the cell; d to/, gradual collec-tion of chromatin granules at ends of cells; g to i, formation of end spores from thesechromatin end masses. (After Schaudinn.) The true spores (endospores) of the lower bacteria are definitebodies. These are strongly
. Pathogenic microörganisms; a practical manual for students, physicians, and health officers . Fig. 6.—B. diphtherije No. 8 from10 days broth pelhcle, showing longi-tudinal fusion and position of metachroma-tic granules. Stained with Lofflersmethylene blue. X 2000 diameters. W i (1 «.;. Fig. 7.—Bacillus biltschlii: a to c, incomplete division of the cell; d to/, gradual collec-tion of chromatin granules at ends of cells; g to i, formation of end spores from thesechromatin end masses. (After Schaudinn.) The true spores (endospores) of the lower bacteria are definitebodies. These are strongly refractile and glistening in appearance,oval or round in shape, and composed of concentrated protoplasmdeveloped within the cell and surrounded by a very dense envelope(Plate III, Figs. 22-25). They are characterized by their power ofresisting the injurious influences of heat, desiccation, and chemicaldisinfectants up to a certain limit (see chapter on Disinfection). Sporesalso stain with great diflBculty. (See page 79 for details.) 40 CHARACTERISTICS OF MICROORGANISMS The production of endospores in the different species of bacteria,though not identical in every instance, is very similar. The conditionsunder which they are produced in nature are supposed to be similar tothose o
Size: 1377px × 1814px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, bookidcu31924000235212
