. Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology). Bacteriology; Pathogenic bacteria. 404 SPECIFIC MICRO-ORGANISMS flagellum. The nucleus lies near the center of the cell. It is oval or somewhat irregular in outline and usually occupies the wliole width of the cell. Near the blunt posterior end of the cell is a. Pig. 162.—Glossinamorsitans. ^4, Magnified. (After Doflein.) B, Sketch showing natural size. (From Doflein after Blanchard.) spherical granule, the blepharoplast. Near this the flagellum originates and

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