Figure 4
From: Dissemination of bloodmeal acquired Rickettsia felis in cat fleas, Ctenocephalides felis
Electron micrograph of dissected tissues of 28 days post exposure R. felis -infected fleas. A-D:Gut; A: massive amount of rickettsiae; B: destroyed rickettsiae in a phagolysosome (arrow); C: dividing rickettsiae; D: rickettsiae in a vacuole (solid arrow) or escaping a vacuole (long arrow); E-F: rickettsiae in ovaries, G-H: salivary glands; H: typical rickettsial cell wall structure containing trilaminar membrane (cross-section). Bar=500 nm.