[mass noun] A disease characterized by spasm of the arteries in the extremities, especially 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.
- ‘Systemic manifestations of SS include rash, Raynaud's phenomenon, fatigue, and nerve and muscle pain.’
- ‘His hands and feet, victims of Raynaud's disease, grow cold easily and are sometimes numb in the frigid northern winters.’
- ‘Ginkgo has been used experimentally to treat diabetics and Raynaud's disease.’
- ‘It is associated with pulmonary fibrosis and Raynaud's phenomenon.’
- ‘My friend's French cousin had developed a complication of SLE, Raynaud's phenomenon where there is poor finger blood flow.’
Late 19th century: named after Maurice Raynaud (1834–81), French physician.
We take a look at several popular, though confusing, punctuation marks.