What Does Name Joann Mean. You are honest, benevolent, brilliant and often inventive, full of high inspirations. You are courageous, honest, determined, original and creative. You are a leader, especially for a cause. Sometimes you do not care to finish what you start, and may leave details to others.
Erythrocytosis is a condition in which there is an abnormally high number of red blood cells, or erythrocytes, in the circulation. What is called primary erythrocytosis may be caused by a rare bone marrow disorder, known as polycythemia vera, where the bone marrow produces too many red cells.
Erythropoietin is a hormone which is produced predominantly by specialised cells in the kidney. Once it is made, it acts on red blood cells to protect them against destruction. At the same time it stimulates stem cells of the bone marrow to increase theproduction of red blood cells.