Iron Absorption and Metabolism

Iron is an essential element for almost all forms of life, but most important as an oxygen transporter. When iron is in its ferrous state, oxygen binds to it within the hemoglobin molecule allowing erythrocytes to circulate and deliver oxygen to all the human bodies cells and tissues. The human body also requires iron in … Continue reading Iron Absorption and Metabolism

Polycythemia Vera

Polycythemia vera is an uncommon neoplasm or blood cancer where the bone marrow produces too many erythrocytes, megakaryocytes, and granulocytes, resulting in panmyelosis. The cancer is caused by a mutation in the JAK2 gene. Janus Kinase 2 (JAK2) is a non-receptor tyrosine kinase that plays a role in signaling in the type II cytokine receptor family. … Continue reading Polycythemia Vera

Thalassemias

The major hemoglobin that is present in adults is hemoglobin A (HbA). This is a heterotetramer that consists of one pair of alpha-globin chains and one pair of beta-globin chains. Alpha-globin chains are encoded by two copies of the alpha gene present on chromosome 16. Beta-globin chains are driven by one gene on chromosome 11. … Continue reading Thalassemias

Non-Malignant Leukocyte Disorders

Non-Malignant simply means that it is localized to the leukocytes. Leukocytes are another name for the white blood cells, more specifically in the case of these disorders, the granulocytes. These disorders are fairly uncommon and are inherited. The following are ones that are found to distinct morphological features and affect the granulocyte functionality. Alder Reilly … Continue reading Non-Malignant Leukocyte Disorders

Blood Draw Tube Colors and Order

The tube order may not seem like a big deal and may seem unnecessary to some, but it is very important to pay attention too. It also matters as to what type of needle is being used for the draw. If a butterfly needle is being used it is important to have a spit tube … Continue reading Blood Draw Tube Colors and Order