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
Culture of Croatia modelled like Venice. In the 7th century the Croats, along with other Slavs and Avars, came from Northern Europe to the region where they live today. The Croatians were open to Roman art and culture, and most of all to Christianity. The altar enclosure and windows of early medieval churches were highly decorated with a transparent shallow string-like ornament that is called Croatian interlace because the strings were threaded and rethreaded through themselves. Sometimes the engravings in early Croatian script-–Glagolitic appear. Soon, the Glagolitic writings were replaced with Latin ones on altar boundaries and architraves of old-Croatian churches. In Croatian