Atlas of Gastrointestinal Infections and Food Poisoning, Gastrointestinal Infections and Food Poisoning, Textbook of Diagnostic Microbiology 4th edition 2011, Connie R. Mahon, Donald C. Lehman and George Manuselis., tuyenlab.net, atlas for medical
|Fig 1. Anatomy of the gastrointestinal tract.|
|Fig 2. Gram stain of a direct fecal smear to show|
the presence of white blood cells, indicative of an invasive
process and not an enterotoxin.
|Fig 3. Microscopic morphology of Helicobacter pylori Gram-stained from a|
colony. A, Gram stain culture. B, Gray, translucent H. pylori colonies grown on agar
culture medium. C, Gram stain on gastric mucus.
|Fig 4. The urea breath test.|
|Fig 5. Entamoeba histolytica trophozoites|
|Fig 6. Geographic distribution of risk for traveler’s diarrhea.|
|Fig 7. Gram stain of Campylobacter colony showing|
the typical microscopic morphology described as “seagull
|Fig 8. Salmonella colonies growing on Hektoen|
enteric agar showing black centers resulting from the
production of hydrogen sulfide.
|Fig 9. Shigella colonies growing on Hektoen enteric|
agar showing clear green colonies.
|Fig 10. Left, Escherichia coli iO157:H7 growing|
on MacConkey agar (MAC). Right, E. coli O157:H7 on sorbitol
MAC. E. coli O157:H7 does not ferment sorbitol, whereas
most other E. coli serotypes do ferment sorbitol.
|Fig 11. Vibrio vulnificus growing on TCBS|
(thiosulfate–citrate–bile salts–sucrose). V. vulnificus is a
non–sucrose-fermenting Vibrio species.
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