eosin-methylene blue agar
Definition: agar composed of peptone, lactose, and sucrose and containing eosin and methylene blue, used to select for and distinguish between lactose-fermenting and nonlactose-fermenting gram-negative bacteria. Echerichia sp. show a characteristic sheen.
Synonym(s): EMB agar
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Examples: glitazone, GI cocktail, etc.

