Many diseases arise from abnormalities in our capillaries, tiny exquisitely branching blood vessel networks that play a critical role in tissue health. Researchers have learned a lot about the ...

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 ...

This study demonstrates that fast raster-scan optoacoustic mesoscopy (fRSOM) enables non-invasive, detailed visualization of ...

The kidneys contain millions of microscopic blood vessels known as peritubular capillaries. These vessels recapture helpful nutrients like glucose and minerals and return them to your bloodstream for ...

Researchers at Drexel University have identified the physical forces in red blood cells and blood vessels underlying the painful symptoms of sickle cell disease. Their experiment, the first to answer ...

Broken capillaries—also known as telangiectasia—are tiny, dilated blood vessels that become visible under the skin, especially on the nose, cheeks, and chin. They look like fine red threads or small ...