Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

The finest scale of blood flow through the brain occurs in capillaries. Suspicions that capillary flow is regulated by cells that put the squeeze on these vessels are now borne out by detailed ...

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 ...

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 ...

Taking a magnifying mirror to the face is never a fully positive experience—especially when you sit under the fluorescent bathroom lights in hopes of a satisfying extraction, and instead come across ...

No matter how "good" your skin is (a term I use loosely), there are always those little things about your complexion that you get stuck on. More often than not, the issue that's bothering you is ...

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

For physicians, the dream of 3D printing is to one day be able to print functional tissues and organs for patients, made from their own cells. Doing this will allow a level of bespoke geometric ...