Chronic lymphocytic leukemia (CLL) and prolymphocytic leukemia (PLL) are types of blood cancer. They develop in types of white blood cells called B cells or T cells, or the precursors to these cells.

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 ...

Immature ganulocytes, also called myeloblasts, are a type of young white blood cell. Unusual amounts of myeloblasts usually occur due to problems with bone marrow, such as certain types of blood ...