Typically, blood flows from arteries to capillaries and onto ... Spending too much time in the sun can damage skin tissue and veins. The sun’s heat causes veins to dilate to regulate the body ...

Unlike arteries, veins contain valves that make sure that ... when small feeder blood vessels just under the skin get bigger as pressure inside the veins increases. Telangiectasias are similar ...

A new study published in the Heart journal reveals that the shape and size of veins and arteries on the retina can predict stroke risk almost as accurately as traditional methods. Examining the ...

"We were working for an unknown outcome," she says. But after connecting the arteries and veins of the donor's face with Culp's own, the new face "pinked up" – a sign to the transplant team ...