冻伤是由于长期处于极为寒冷的状态下,而引起的人体局部或全身性的伤害。轻时可造成皮肤组织的红肿、局部血液流通不畅,并会产生发痒、刺痛、麻木等感觉,需要治疗;重时则会伴随失温,皮肤发黑、血管坏死,然后丧失知觉,造成全身永久性的损伤,可能危及性命,需及早进行治疗。

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.