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
Polycythemia vera (POL-e-si-THEE-me-ah VAY-rah or VE-rah), or PV, is a rare blood disease in which your body makes too many red blood cells. The extra red blood cells make your blood thicker than normal. As a result, blood clots can form more easily.