Antigens Meaning in English
word · lemma: antigen
Definition
Antigens are substances, usually proteins, that trigger an immune response in the body by causing the production of antibodies.
Usage & Nuances
'Antigen' is mainly used in medical, biological, and immunology contexts. Common collocations include 'viral antigens', 'blood antigens', and 'antigen test'. Do not confuse 'antigen' (triggers immune response) with 'antibody' (produced by the immune system to fight antigens). Generally uncountable, but here 'antigens' is its plural form.
Example Sentences
Some viruses have unique antigens on their surfaces.
basic
Doctors use tests to detect antigens in your blood.
basic
Vaccines often contain weakened antigens.
basic
Your immune system learns to recognize antigens after an infection.
natural
Different diseases are identified by the antigens they carry.
natural
Not all antigens cause harmful reactions—some are harmless.
natural