antigens - Definitions from Dictionary.com

3 results for: antigens

American Heritage Dictionary - Cite This Source - Share This

an·ti·gen Audio Help (ān'tĭ-jən) Pronunciation Key
n. A substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of transplanted organs.

an'ti·gen'ic (-jěn'ĭk) adj., an'ti·gen'i·cal·ly adv., an'ti·ge·nic'i·ty (-jə-nĭs'ĭ-tē) n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Encyclopædia Britannica, Inc.
antigens

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The American Heritage Science Dictionary - Cite This Source - Share This

antigen Audio Help (ān'tĭ-jən) Pronunciation Key
A substance that stimulates the production of an antibody when introduced into the body. Antigens include toxins, bacteria, viruses, and other foreign substances. Compare antibody. See Note at blood type.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
antigens [(an-ti-juhnz)]

Substances that are foreign to the body and cause the production of antibodies. Toxins, invading bacteria and viruses, and the cells of transplanted organs can all function as antigens.

[Chapter:] Medicine and Health

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