抗原

kàngyuán

noun #22,726

Measure Word

一种抗原 zhǒng

Meanings

1 antigen
2 substance that triggers an immune response

Characters

to resist / to fight against

original / source / substance

Examples

疫苗通过引入抗原来激活免疫系统。

Yìmiáo tōngguò yǐnrù kàngyuán lái jīhuó miǎnyì xìtǒng.

Vaccines activate the immune system by introducing antigens.

抗原检测可以快速判断是否感染病毒。

Kàngyuán jiǎncè kěyǐ kuàisù pànduàn shìfǒu gǎnrǎn bìngdú.

Antigen testing can quickly determine whether one is infected with a virus.

Tips

memory

抗 means 'to resist / to fight against' and 原 means 'original substance / source'. An antigen is literally the 'original substance that the body fights against'. Compare 抗体 (antibody) — the body's fighting response to the antigen.

Stroke Order

抗 kàng

原 yuán