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.
Blood cell disorders affect your red and white blood cells and smaller circulating cells called platelets. All three cell types form in the bone marrow, which is the soft tissue inside your bones. Red blood cells transport oxygen to your bodyâs organs and tissues.White blood cells help your body fight infections. Platelets help your blood to clot.lood cell disorders affect your red and white blood cells and smaller circulating cells called platelets. All three cell types form in the bone marrow, which is the soft tissue inside your bones. Red blood cells transport oxygen to your bodyâs organs and tissues. White blood cells help your body fight infections.