Can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion

• Cyanosis of the extremities

Wikipedia Word definitions in Wikipedia
Acrocyanosis is persistent blue or cyanotic discoloration of the extremities, most commonly occurring in the hands, although it also occurs in the feet and distal parts of face. Although described over 100 years ago and not uncommon in practice, the nature ...

WordNet Word definitions in WordNet
n. cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion [syn: Raynaud's sign ]

Wiktionary Word definitions in Wiktionary
n. (context pathology English) A persistent blue or cyanotic discoloration of the digits, most commonly occurring in the hands although also occurring in the face and feet as well.