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 Used The Used The Used is an American rock band formed in Orem, Utah, in 2001. The group consists of vocalist Bert McCracken, bassist Jeph Howard, drummer Dan Whitesides, and guitarist Joey Bradford. The group signed to Reprise Records and rose to fame in June 2002 after releasing their self-titled debut album. They followed up with their second album, "In Love and Death", in September 2004 and their third album, "Lies for the Liars", in May 2007. "Shallow Believer", an EP that featured most of the band's B-sides, was released in February 2008. They spent 2008 working on their fourth studio