迟发型变态反应

遲發型變態反應

chífāxíngbiàntàifǎnyìng

noun

Meanings

1 delayed-type hypersensitivity (DTH)
2 type IV hypersensitivity reaction

Characters

reverse; against

Examples

HSK 7-9

结核菌素试验利用迟发型变态反应的原理。

Jiéhé jūn sù shìyàn lìyòng chífāxíngbiàntàifǎnyìng de yuánlǐ.

The tuberculin skin test works on the principle of delayed-type hypersensitivity.

HSK 7-9

接触性皮炎是典型的迟发型变态反应。

Jiēchù xìng píyán shì diǎnxíng de chífāxíngbiàntàifǎnyìng.

Contact dermatitis is a typical delayed-type hypersensitivity reaction.

Tips

usage

In immunology 变态反应 means 'hypersensitivity / allergic reaction' - not 'abnormal reaction' in the everyday sense. 迟发型 (delayed) distinguishes it from 速发型 (immediate, IgE-mediated) reactions; it peaks 24-72 hours after exposure and is T-cell mediated.

Stroke Order

迟 chí

发 fā

型 xíng

变 biàn

态 tài

反 fǎn

应 yīng