Raynaud's PhenomenonRay·naud's phenomenon
Raynaud's Phenomenon is a circulatory disorder that causes white, blue or red hands or feet.
An example of Raynaud's Phenomenon is a disease that can be caused by cold weather.
a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet: as a primary disorder caused by cold or emotion it is known as Raynaud's disease
Origin of Raynaud's phenomenonafter M. Raynaud (1834-81), French physician
Narrowing of the arteries and arterioles of the fingers and toes, often triggered by cold or stress, resulting in blanching, cyanosis, numbness, pain, and, in extreme cases, gangrene.
Origin of Raynaud's phenomenonAfter Maurice Raynaud (1834-1881), French physician
(plural Raynaud's phenomena)
- A condition of the hands and feet becoming discoloured, typically white, red, and blue, caused by an altered blood flow brought about by cold, or stress.