抗体(こうたい)

こうたい
noun
antibody
1. antibody
A protein produced by the immune system to identify and neutralize foreign substances such as bacteria and viruses. A key term in medicine, biology, and health-related discussions.
ワクチンで抗体(こうたい)ができる。
Antibodies are produced through vaccination.
血液(けつえき)検査(けんさ)で抗体(こうたい)の有無(うむ)を調(しら)べた。
The presence or absence of antibodies was checked through a blood test.
感染(かんせん)から回復(かいふく)した人(ひと)は抗体(こうたい)を持(も)っているため、再感染(さいかんせん)しにくいと言(い)われている。
It is said that people who have recovered from infection have antibodies, making them less likely to be reinfected.

USAGE:
A scientific and medical term that has become widely known through public health discussions, especially regarding vaccination and infectious disease. Commonly encountered in news reports and health-related conversations.

COMMON COLLOCATIONS:

  • 抗体(こうたい)ができる: antibodies form/develop
  • 抗体(こうたい)を持(も)つ: to have antibodies
  • 抗体(こうたい)検査(けんさ): antibody test
  • 抗体(こうたい)値(ち): antibody level/titer

SIMILAR WORDS:

  • 抗原(こうげん): antigen (the foreign substance that triggers antibody production)
  • 免疫(めんえき): immunity (the broader system of defense)
general
Added 2026.2.22 23:22
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