Raynauds disease

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Ray·naud's dis·ease / rāˈnōz/ (also Ray·naud's syn·drome) • n. a disease characterized by spasm of the arteries in the extremities, esp. the fingers (Raynaud's phenomenon). It is typically brought on by constant cold or vibration, and leads to pallor, pain, numbness, and in severe cases, gangrene.

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