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 is a blood cancer that begins in the marrow of your bones, the soft center where new blood cells grow. With polycythemia vera, your marrow makes too many red blood cells, which causes your blood to get too thick. That can make you more likely to have blood clots, a stroke, or a heart attack.