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.
Confidence votes 945. Sort of. When you have an infection, your white blood cells can release things called cytokines, which are small molecules that regulate immune function.onfidence votes 945. Sort of. When you have an infection, your white blood cells can release things called cytokines, which are small molecules that regulate immune function.