Antigen

Pronunciation: /ˈæntɪdʒən/

Definitions of antigen

noun a substance that is recognized by the immune system and triggers an immune response

Example Sentences

A1 An antigen is a substance that triggers an immune response in the body.

A2 The doctor explained that the antigen was causing the allergic reaction.

B1 The vaccine works by introducing a small amount of antigen to stimulate the immune system.

B2 Researchers are studying how different antigens can be used to develop new treatments for cancer.

C1 The lab technician analyzed the antigenic properties of the virus to determine its potential impact on public health.

C2 The antigen-antibody interaction is a complex process that plays a crucial role in the body's defense mechanisms.

Examples of antigen in a Sentence

formal The antigen is a substance that triggers an immune response in the body.

informal Hey, did you know that an antigen is like a red flag for your immune system?

slang That antigen thing is like a little troublemaker for your body's defenses.

figurative Just like a spy, the antigen sneaks into the body and causes a commotion.

Grammatical Forms of antigen

• plural: antigens
• comparative: more antigen
• superlative: most antigen
• present tense: antigens
• future tense: will antigen
• perfect tense: have antigened
• continuous tense: is antigening
• singular: antigen
• positive degree: antigen
• infinitive: to antigen
• gerund: antigening
• participle: antigened

Origin and Evolution of antigen

First Known Use: 1908 year

Language of Origin: Greek and Latin

Story behind the word: The word 'antigen' originated from the combination of two words: 'antibody' and 'gen', where 'gen' refers to generate or produce.

Evolution of the word: Initially used in the context of immunology to describe substances that generate antibodies, the term 'antigen' has evolved to encompass a broader range of molecules that can elicit an immune response.