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. 2005 Nov 2;37(2):91–106. doi: 10.1016/j.micron.2005.10.001

Fig. 7.

Fig. 7

Thin section from a small intestinal biopsy showing Whipples disease bacteria (Tropheryma whippelii) in the lamina propria of an infected patient. Bacteria replicate extracellularly, but are phagocytosed by macrophages and after digestion are reduced to intracellular myelin figures.