Watch a white blood cell actively searching for bacteria or viruses under the microscope.

We preselected all newsletters you had before unsubscribing.

Medically reviewed by Anju Goel, MD Pyuria with white blood cells and bacteria usually indicates a urinary tract infection (UTI). Pyuria can cause urine to appear cloudy with a strong, foul-smelling ...

A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood cell arrives ...