A petri dish is a flat, shallow dish made of glass or plastic with a suitable lid. A petri dish is used to culture different types of cells, including bacteria and molds. It often contains a nutritional medium on which the cells can grow.
A petri dish is a flat, shallow dish made of glass or plastic with a suitable lid. A petri dish is used to culture different types of cells, including bacteria and molds. It often contains a nutritional medium on which the cells can grow.
Glass or plastic
Petri dishes can be made of either glass or plastic. Both with their respective pros and cons. The glass petri dish is made of a heat resistant glass which can be sterilized by the use of an autoclave for repeated use. Plastic petri dishes are often for single use and must be discarded.
All shapes and sizes
De most used petri dish is round, but for special applications square petri dishes can also be acquired. Round petri dishes are available in diameters from 30 to 200mm. The most used size is the 90mm petri dish.