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Raynaud's phenomenon雷诺氏现象

Raynaud's phenomenon is a disorder affecting the small arteries supplying fingers and toes.雷诺氏现象是一个障碍,影响小动脉供应手指和脚趾。 Exposure to cold causes them to go into spasm so that blood flow is restricted.接触到冷的原因,他们进入痉挛,使血流受到限制。 There are various known causes.有各种众所周知的原因。

The phenomenon commonly occurs, however, when no cause can be found.这种现象普遍发生,但是,当没有任何理由可以找到。 In such cases it is known as Raynaud's disease.在这种情况下,这是被称为雷诺氏病。