名词冻疮
pernio
1. 冻疮:摘要: 冻疮(pernio)是一种由寒冷所致的末梢部局限性炎症性皮肤病. [病因和发病机制] 由于寒冷刺激,局部皮肤小动脉痉挛并造成组织缺氧、缺血和细胞损伤;如持续时间较长,细胞内外环境改变,可出现血管麻痹性扩张,静脉瘀血,其通透性增加,
noun
1. inflammation of the hands and feet caused by exposure to cold and moisture
Synonym: chilblain chilblains