Bacteria. Definition

Medical Definition: Bacteria

Large set of prokaryotic single-celled microorganisms. Some of the different species of bacteria cause infections, disease, fermentation and putrefaction in organic matter, animals and humans. They are able to reproduce themselves. There are different types of bacteria classified according to their growth properties (aerobic or anaerobic conditions, etc.). Its ability to be stained with special stains (Gram positive and Gram negative) according to their form (bacilli, cocci, spirochetes, etc.).. Some cause infections in humans can be serious.

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