kháng nguyên

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The Vietnamese word "kháng nguyên" translates to "antigen" in English. It is a biological term used primarily in the fields of immunology and biology.

Explanation:

An antigen is a substance that the immune system recognizes as foreign or harmful. When the body detects an antigen, it triggers an immune response, which can include the production of antibodies to fight off the invader. Antigens can be parts of pathogens like bacteria, viruses, or even allergens.

Usage Instructions:

• "Kháng nguyên" is commonly used in scientific contexts, especially in discussions about vaccines, infections, and immune responses.
• You can use "kháng nguyên" in sentences related to health, medicine, and biology.

Examples:

1. Basic Usage:

   • "Khi vi khuẩn xâm nhập vào cơ thể, cơ thể sẽ sản xuất kháng nguyên để chống lại chúng."
   • (When bacteria enter the body, the body will produce antigens to fight them.)

2. Advanced Usage:

   • "Các nhà khoa học đang nghiên cứu các loại kháng nguyên khác nhau để phát triển vắc xin hiệu quả hơn."
   • (Scientists are studying different types of antigens to develop more effective vaccines.)

Word Variants:

• There are no direct variants of "kháng nguyên," but you may encounter related terms such as:
  • "kháng thể" (antibody), which is a protein produced by the immune system in response to an antigen.

Different Meanings:

• In a general context, "kháng nguyên" specifically refers to its biological meaning. It does not have multiple meanings in different scenarios.

Synonyms:

• A direct synonym for "kháng nguyên" is "chất gây miễn dịch" (immunogenic substance), though this term is less commonly used.

Academic

1. (sinh học) Antigen