What are examples of landforms? A: The four main types of landforms are mountains, plateaus, plains and hills. A landform is defined as any natural feature on the Earth's surface, which incl... Full Answer >
Definition of leukopenia. : a condition in which the number of white blood cells circulating in the blood is abnormally low.
Benign White Cell Disorders: Leukopenia. Leukopenia refers to an abnormal decrease in the number of leukocytes. This may be secondary to a deficiency of any or all of the WBCs but it is most commonly caused by a depression of neutrophils (neutropenia). Granulocytopenia, often used as a synonym for neutropenia, technically refers to decreased eosinophils and basophils as well as neutrophils.