Raynaud's disease

noun
Ray·​naud's disease | \ rā-ˈnōz- How to pronounce Raynaud's disease (audio) \

Medical Definition of Raynaud's disease

: a vascular disorder that is marked by recurrent spasm of the capillaries and especially those of the fingers and toes upon exposure to cold, that is characterized by pallor, cyanosis, and redness in succession usually accompanied by pain, and that in severe cases progresses to local gangrene

called also Raynaud's

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