Raynaud's sign

Definitions of Raynaud's sign
  1. noun
    cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion
    synonyms: acrocyanosis
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    type of:
    cyanosis
    a bluish discoloration of the skin and mucous membranes; a sign that oxygen in the blood is dangerously diminished (as in carbon monoxide poisoning)
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