pe·tri dish 'pē-trē- n a small shallow dish of thin glass or plastic with a loose cover used esp. for cultures in bacteriology
Pe·tri 'pā-trē Julius Richard (1852-1921)
German bacteriologist. Petri was an assistant to the eminent bacteriologist Robert Koch. In 1887 Petri introduced a vessel for growing bacteria that consists of two round rimmed plates, one serving as a cover for the other.
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a flat shallow circular glass or plastic dish with a pillbox-like lid, used to hold solid agar or gelatin media for culturing bacteria.
J. R. Petri (1852-1921), German bacteriologist
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a round, shallow, flat-bottomed transparent glass or plastic dish with vertical sides and a similar but slightly larger dish that forms a cover; used for the culture of microorganisms on solid media and for tissue cell cultures.Medical dictionary. 2011.