Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

While medical centers use ultrasound daily, so far this technology has not been capable of observing body tissues at the scale of cells. Physicists have now developed a microscopy technique based on ...

Researchers used a two-photon phosphorescent probe to monitor capillary flux and oxygen in sets of capillaries, obtaining a robust oxygen and flux estimate within each capillary, sufficient to observe ...

Capillary leak syndrome is a rare disorder where the plasma in your blood leaks from your capillaries (small blood vessels) into surrounding tissues in your body. It affects fewer than 1,000 people in ...