E. co·li (ē kōlī)
A bacterium (Escherichia coli) normally found in the human gastrointestinal tract and existing as numerous strains, some of which are responsible for diarrheal diseases. Some strains have been used experimentally as model organisms for the study of biochemistry, molecular biology, and genetics.
[New Latin E(scherichia) colī, species name : after Theodor Escherich (1857-1911), German physician + Latin colī, genitive of colon, colon; see COLON2.]
(click for a larger image)E. coli
Escherichia coli in a human intestine
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