Petri dish Petri dish A Petri dish (sometimes spelled "Petrie Dish" and alternatively known as a Petri plate or cell-culture dish), named after the German bacteriologist Julius Richard Petri, is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cellssuch as bacteriaor small mosses. Modern Petri dishes usually feature rings and/or slots on their lids and bases so that when stacked, they are less prone to sliding off one another. Multiple dishes can also be incorporated into one plastic container to create a "multi-well plate". While glass Petri dishes may be reused after sterilization (via an autoclave at
The Dish (landmark) for mountain lions. The area is a known habitat for the large cats, though sightings are extremely rare. Most recently, Stanford University issued a warning in January 2011 after mountain lion tracks were spotted outside the entrance to the Dish at the intersection of Junipero Serra Boulevard and Campus Drive West. Fresh tracks were seen on dirt trails leading to Lake Lagunita, on the campus side of Junipero Serra. The Dish (landmark) The Dish is a radio telescope in the Stanford foothills. The dish was built in 1961 by the Stanford Research Institute (now SRI International). The cost to construct