![]() Colonies that are greater than 5 mm are probably made up of moving creatures. Punctate colonies are another name for small colonies (pin-point). A representative colony’s diameter can be expressed in relative terms like pinpoint, small, medium, and big or in millimeters.īacterial colonies that are punctiform and various shapes The colony’s size may be a helpful characteristic for identification. and other highly mobile species inundated the culture media. Examples of thisĬolonies with uneven shapes and/or edges are probably made up of mobile creatures. The edge or margin of a bacterial colony may be a key element in determining an organism’s identity. There are six main bacterial colony elevations: This is how a colony appears from the “side.” These four types are the most typical colony shapes you will probably see.Įlevation of the bacterial colony: It reveals the colony’s height above the agar. The shape of the bacterial colony is referred to as its form. It includes the bacterial colony’s shape, elevation, and margin.
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