What disease involves peripheral arterial occlusion triggered by cold or stress?

Raynaud's disease is characterized by peripheral arterial occlusion that occurs primarily in response to cold temperatures or emotional stress. This condition leads to spasms of blood vessels that reduce blood flow to certain areas, typically the fingers and toes. When exposed to cold or stress, individuals with Raynaud's disease may experience color changes in the skin, coldness, and numbness in the affected areas as blood flow decreases. The primary trigger for these symptoms is environmental or emotional factors, distinguishing it from other vascular conditions that do not provoke such acute episodes based on temperature or stress.

Other options refer to different vascular issues that do not typically manifest in the same way or are not directly triggered by cold or stress. For example, peripheral artery disease mainly involves chronic narrowing of the arteries due to atherosclerosis and usually presents with pain during physical activity rather than acute reactions to temperature changes. Atherosclerosis is a broader condition involving the hardening of arteries due to plaque buildup, while arterial thrombosis refers to a blood clot forming within an artery, which may not necessarily be connected to external environmental triggers. Therefore, Raynaud's disease is the correct choice when identifying a condition specifically linked to cold and stress-induced peripheral arterial occlusion.