That is a $50 price cut for the PS4, which currently retails at $399. A contest hints at a PS4 price drop. In a screenshot we see the PS4 Approximate Retail Value (ARV) listed as $349. This value is typically the retail price of the device that a customer will pay in-store without any discounts.
Diseases of the White Blood Cells. 1  Neutropenia (pronounced: new-truh-PEE-nee-uh) occurs when there aren't enough of a certain type of white blood cell to protect the body against bacterial infections. 2  Human immunodeficiency virus (HIV) attacks certain types of white blood cells (lymphocytes) that work to fight infection.
This is a medical condition in which there is an overproduction of leukocytes. Leukocytes are referred to as white blood cells (WBC) and are one part of the immune system. The immune system is what helps your body fight diseases and infections. White blood cells are made in the bone marrow where some are released into your blood and the rest are kept inside your bone marrow.