JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY
Diarrhoea. Artwork of the human large intestine surrounded by some of the microorganisms that can cause diarrhoea. Diarrhoea is the frequent passing of liquid stools as a symptom of inflammation, infection or even anxiety. Ingested microorganisms as a result of poor hygiene or food storage can lead to various diseases whose symptoms include diarrhoea. Rod-shaped (bacillus) bacteria are seen at upper left, upper and center right, which could include Salmonella, Escherichia coli (E. coli), Campylobacter and Cryptosporidium. The protozoan Giardia lamblia is seen at bottom right, Staphylococcus bacteria at centre left and Vibrio cholerae bacteria at lower left.
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