nitrogen (ËnaÉªtrÉdÊÉn ) noun. a. a colourless odourless relatively unreactive gaseous element that forms 78 per cent (by volume) of the air, occurs in many compounds, and is an essential constituent of proteins and nucleic acids: used in the manufacture of ammonia and other chemicals and as a refrigerant.
Polycythemia Vera: Doctor Discussion Guide. Since polycythemia vera is a type of blood cancer, you'll want to see a hematologist. Here are some questions to ask during your next appointmentâ¦ read more read more
Listen. New strategies and new knowledge continue to improve treatment. Polycythemia vera (PV) is a rare, chronic (long-term) disease in which the bone marrow overproduces red blood cells and, in many cases, white blood cells and platelets as well.