V2EX transepidermal water loss

Transepidermal Water Loss

释义 Definition(中文)

经表皮水分流失(常缩写为 TEWL):指皮肤中的水分以水蒸气形式通过表皮向外扩散并散失的现象。TEWL 常用作衡量皮肤屏障功能的指标;数值升高往往提示屏障受损、皮肤更干燥或更易受刺激。(该术语在皮肤科与化妆品/护肤科学中非常常见。)

发音 Pronunciation(IPA)

/trnzpdrml wtr ls/

例句 Examples

The cream reduced transepidermal water loss after one week.
这款面霜在一周后降低了经表皮水分流失。

In patients with atopic dermatitis, increased transepidermal water loss reflects impaired barrier function and correlates with disease severity.
在特应性皮炎患者中,经表皮水分流失增加反映了皮肤屏障功能受损,并与病情严重程度相关。

词源 Etymology(中文)

transepidermaltrans-(“穿过、跨越”)+ epidermal(“表皮的”,来自 epidermis 表皮:epi-“在……之上” + derm“皮肤”)构成;再加上 water loss(“水分流失”)。整体字面意思就是“穿过表皮的水分流失”。

相关词 Related Words

文学与著作出现 Literary Works(例)

  • Fitzpatrick’s Dermatology(经典皮肤科学教材,讨论皮肤屏障与 TEWL 测量)
  • Rook’s Textbook of Dermatology(皮肤科权威教材,常在屏障功能章节提及 TEWL)
  • Cosmetic Dermatology: Principles and Practice(化妆品皮肤科学著作,涉及 TEWL 与保湿/封闭性成分)
  • 期刊文章:Journal of Investigative DermatologyBritish Journal of DermatologyContact Dermatitis 等常见以 TEWL 作为皮肤屏障研究指标的论文
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