3 doctors weighed in:

Why do blood vessels appear bluish or greenish under the skin?

3 doctors weighed in
Dr. Robert Greer
Family Medicine
2 doctors agree

In brief: Veins are closer

Veins carry blood that has given up oxygen(and headed to the heart and lungs for more oxygen) and that blood is darker than oxygenated blood in the arteries which are deeper and less visible.

In brief: Veins are closer

Veins carry blood that has given up oxygen(and headed to the heart and lungs for more oxygen) and that blood is darker than oxygenated blood in the arteries which are deeper and less visible.
Dr. Robert Greer
Dr. Robert Greer
Thank
Get help from a real doctor now
Dr. Christopher Crosby
Board Certified, Dermatology
13 years in practice
93K people helped
Continue
111,000 doctors available
Read more answers from doctors