Low-dose metformin delivered to the pulmonary arteries using lipid-based nanocapsules, safely eased signs of PAH in rats.

Their walls contain smooth muscle that helps regulate blood pressure ... collecting blood from tissues and returning it to the heart. Unlike arteries, veins contain valves that prevent backward ...

Smooth muscle is the muscle of your digestive tract, urinary system, arteries, veins, lungs, and others. It helps move food through your intestines, get rid of waste, regulate blood pressure ...

Arteries and veins are the major blood vessels in your ... They draw blood from elastic arteries and contain more smooth muscle in the middle layer. These include arteries further away from ...

Their study found that smooth muscle cells that normally line the inside of our arteries migrate into atherosclerotic plaques, change their cell identity, activate cancer genes, and proliferate inside ...

Researchers have discovered that the smooth muscle cells that line the arteries of people with atherosclerosis can change into new cell types and develop traits similar to cancer that worsen the ...

Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push blood back to your heart.

Arteries are the blood vessels that carry oxygenated blood and nutrients from the lungs and heart to all the body's tissues and muscles. Veins carry the spent blood back to the lungs to be re ...

With the exception of pulmonary blood vessels, arteries carry oxygenated blood and veins carry deoxygenated blood. Arteries have thick walls with muscle tissue. Veins have thinner walls and use valves ...

Arteries and veins are blood vessels that are responsible ... The tunica media is the middle layer and is composed of smooth muscle and elastic fibers. The tunica adventitia is the outermost ...