Petri dish

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Petri dish

a shallow circular flat-bottomed dish, often with a fitting cover, used in laboratories, esp for producing cultures of microorganisms

petri dish

[′pē·trē ‚dish]
(microbiology)
A shallow glass or plastic dish with a loosely fitting overlapping cover used for bacterial plate cultures and plant and animal tissue cultures.
References in periodicals archive ?
The pluripotent stem cells in the Petri dishes multiplied and spread out into a three-dimensional supporting structure, producing tissue-like cell cultures.
When callus colonies in the Petri dishes became observable by the naked eye, the Petri dishes were transferred to a 45 rpm orbital shaker (Gerhardt Laboshake 500, Germany) and kept under dark conditions at 25degC for 3-4 weeks.
To obtain naive parasitoids for bioassays, freshly emerged male and female parasitoids were collected from the infested grains within 1 h of emergence and kept in Petri dishes on moistened filter paper in a climatic chamber without host odors under the same conditions as described above.
Dosimetry and temperature data from the waveguide are obtained from the literature at the frequencies of 1950 MHz and 1800 MHz loaded with single or multiple Petri dishes [25, 26].
2008) used large arenas (50 cm x 50 cm) with Reticulitermes flavipes (Kollar) to show that the survivorship of termites in groups of 960 individuals placed in soil and allowed to forage was not affected by the presence of a fungal pathogen, while small groups of termites kept in Petri dishes were susceptible to the fungus.
Statistical analysis: Embryos were counted per petri dish (8 petri dishes for each treatment, 4 repetitions for treatment and totaly 32 petri dishes per treatment).
To provide the right environment for the bacteria to grow, Abby placed the Petri dishes in an incubator, or a closed container with set temperature and humidity.
These discs were soaked in the solution of aqueous, petroleum ether and ethanolic crude extracts of the root of Berberis lyceum and were placed in the Petri dishes at their labeled position.
Streamlining laboratory workflow, Petri-Flow allows pre-filled or empty Petri dishes to be stored in bulk at one end of the system.
Ten petri dishes replicated four times were used per cultivar.
We've got thousands of little (soil) petri dishes with known carbon values.
The scientists then placed the biomolecules into petri dishes of P.