Antigen

/ˈæn.tɪ.dʒən/

noun

A substance that the immune system recognizes as foreign and can provoke an immune response.

Vaccines contain antigens that help the body build immunity.

Formal

immune response,foreign substance,vaccine development

Definition 1 of 1

Pro Tip 1/3

Antigens can come from various sources, both natural and artificial, triggering immune reactions.

Many vaccines use weakened or inactive antigens to trigger immunity without causing disease.

Pro Tip 2/3

The term often associates with health and disease prevention, indicating its importance in medical conversations.

In discussions about health, using 'antigen' correctly implies an understanding of immunology.

Pro Tip 3/3

In formal medical discussions, 'antigen' should be used precisely.

In casual or general conversations, it might be better to explain 'antigen' in simpler terms.

antigen

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