V2EX purpura

Purpura

释义 Definition

purpura 指“紫癜”:一种因皮下出血导致的紫红色/暗红色斑点或斑片,按压通常不褪色;可与血小板减少、血管炎、感染或药物反应等有关。(该词在医学中也可作更广义的“皮肤或黏膜出血性紫斑”的总称。)

发音 Pronunciation (IPA)

/ppjr/

例句 Examples

The doctor noted purpura on her legs.
医生注意到她腿上有紫癜(紫红色出血点)。

In severe infections, purpura can spread quickly and may signal a medical emergency.
在严重感染中,紫癜可能迅速扩散,并可能提示需要紧急处理的情况。

词源 Etymology

purpura 来自拉丁语 purpura,意为“紫色、紫红色染料/紫色”,与古代以“紫色”象征的颜色有关;医学上借用这一“紫红色”的含义来命名皮下出血造成的紫红色皮疹表现。

相关词 Related Words

文学与典籍 Literary Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在出血性皮疹、血小板减少与血管炎相关章节中常见该词。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯病理学基础》):在血管与凝血/出血相关病理描述中使用 purpura
  • The Merck Manual(《默克诊疗手册》):在皮肤症状与血液系统疾病条目中频繁出现该词。
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