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
What is polycythemia vera? Polycythemia (say: polly-sigh-thee-me-ah) vera (PV) is a rare disease in which your body makes too many red blood cells. Your blood may become too thick. This causes serious health problems. PV increases the risk of abnormal blood clots, which could lead to a stroke.