Petri Dish

A Petri dish alternatively known as a Petri plate or cell-culture dish is a shallow transparent lidded dish that biologists use to hold growth medium in which cells can be cultured, originally, cells of bacteria, fungi and small mosses. It is the most common type of culture plate. The Petri dish is one of the most common items in biology laboratories and has entered popular culture. The term is sometimes written in lower case, especially in non-technical literature. Petri dishes used for culturing cells, bacteria, and mosses. Nutrient Agar or other suitable growth media containing ingredients such as blood, cholesterol, salts, and carbohydrate etc. is widely used to culture bacteria for microbiological assays and experiments like those involving antibiotic and viruses (phages). Even Eukaryotes like yeast can be cultured on Petri plates.