See what happens when incompatible blood types interact under a microscope. Watch red blood cells clump during an immune ...

Take a fascinating microscopic look at activated white blood cells responding to an infection after a leech bite. Watch the ...

NEW YORK (Reuters Health) - When a dipstick test suggests there's blood in the urine, the next step should be to examine a sample of the urine under a microscope to make sure the dipstick result is ...

The brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural tissue like electrical wires. While modern imaging technologies allow ...

Not long ago, the idea of diagnosing a disease with a droplet of blood was considered a pipe dream. Today, this technology could soon become a reality. A group of scientists led by researchers from ...