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: Introduction. Polycythemia is a rare condition in which the body produces too many red blood cells. There are two primary types of polycythemia: polycythemia vera and secondary polycythemia. The causes, symptoms, and treatments of the two conditions vary. Polycythemia vera is more serious and can lead to more critical complications than secondary polycythemia.