Encyclopedia Article


A term used in microbiology to identify specialized cells of the immune system which recognize organisms that invade the body, such as bacteria, viruses, and fungi. Once identified, antibodies then work to eliminate these substances, which are perceived to be a threat to the body in which they have been found.

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"3D print of an HIV surface protein with a green antibody attached in an attempt to limit HIV proliferation, July 25, 2013" by NIAID, NIH is licensed under CC BY.

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