One of the mysteries of the English language finally explained.
A shallow, circular, transparent dish with a flat lid, used for the culture of microorganisms.
- ‘Five pieces of embryogenic tissue were cultured in Petri dishes containing 35 ml maturation medium.’
- ‘Twenty fresh anthers were selected from ten plants at random; ten were kept on dry blotting paper in Petri dishes and the other ten were kept in Petri dishes containing water-saturated blotting paper.’
- ‘For irradiation, cells were cultured in Petri dishes and synchronized by contact inhibition in confluent cultures.’
- ‘Approximately 30 seeds were placed on 25 ml of agar-solidified culture medium in Petri dishes.’
- ‘Serial dilutions of homogenized lungs were plated on Petri dishes containing trypticase soy agar.’
Late 19th century: named after Julius R. Petri (1852–1922), German bacteriologist.
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