Hematology, also spelled haematology, is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. collection of blood outside of blood vessel - bruise. One hundred cells are counted, and the percent of reticulum–containing cells is the reticulocyte count. Red, formation of red blood cells (formation/production) Hem/o, hemophilia. Megaloblastic: A descriptive term in which large oval-shaped red cells (macro–ovalocytes) and hypersegmented neutrophils can be found in the peripheral blood. Sickle cell: When sickle hemoglobin is deoxygenated, it polymerizes and forms a gel. Platelets help the blood clotting process (or coagulation) by gathering at the site of an injury, sticking to the lining of the injured blood vessel, and forming a platform on which blood coagulation can occur. Hemat/o, hematoma. The articles are categorized here by disease type. HematologyOutlines - Hematology is the study of blood, blood-forming (hematopoietic) organs, and neoplastic/non-neoplastic blood disorders. The platelets stick to small vessel walls leading to a microangiopathic hemolytic process. Dermatology Glossary of Terms A list of the most commonly used key terms and phrases in dermatology. Usually associated with microcytosis and can be seen in iron deficiency, and thalassemia. Browse the list of 8.5k Hematology abbreviations with their meanings and definitions. Macrocytosis: Large red cells. This is evidenced on blood smear by increased central pallor. Fibrin also forms the initial scaffolding upon which new tissue forms, thus promoting healing. The College of American Pathologists 2019 Hematology, Clinical Microscopy, and Body Fluids Glossary 4 Blood Cell Identification The segmented neutrophil is the predominant blood leukocyte. Glossary of Hematology Terms. Lots of terms are thrown around hematologic testing (and clinical pathology in general) and some terms mean different things, depending on the context in which they are applied. Reflected in increased red cell distribution width (RDW). Excoriation. This deforms the red cell causing it to assume the characteristic sickle shape. Start over; Terminology utilized in phlebotomy. Lots of these cells on smear suggest increased red cell production. Hematology: The diagnosis, treatment, and prevention of diseases of the blood and bone marrow as well as of the immunologic, hemostatic (blood clotting) and vascular systems. D–dimer levels are markedly elevated in DIC. List page number 4 This is not maturation arrest as seen in leukemia but rather "sick" appearing precursors usually associated with decreased numbers of blood cells produced, and those cells are commonly functionally defective. While recent articles generally require a subscriber login, patients interested in viewing an access-controlled article inBlood  may obtain a copy by e-mailing a request to the Blood  Publishing Office. Hypersegmentation: A descriptive term referring to the number of segments in a neutrophil nucleus. Similar significance to an increased reticulocyte count. Lab studies include prolonged PT, prolonged PTT, decreased platelets, and elevated D–dimer. It’s a word you’d hear at the hospital or doctor’s office, or if you’re having blood work done. It involves treating diseases that affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation. Hemochromatosis (HH) - A hereditary disorder that causes your body tissues to absorb and store too much iron. ), the negative charge is cancelled and red cells stack up. Myelodysplasia: A stem cell disorder in which orderly maturation of blood cell precursors is deranged. Ferritin: A multimeric protein which binds and stores iron within cells. Because of the nature of blood, the science of hematology profoundly affects the understanding of many diseases. WBC: White blood cell count Wright's stain: You've heard of the Gram stain for bacteria? 1 people chose this as the best definition of hematology: The study of the blood, b... See the dictionary meaning, pronunciation, and sentence examples. Transferrin is the predominant iron binding protein in blood and thus the TIBC (total iron binding capacity) essentially measures transferrin. CBC: Complete blood count. In conditions in which positively charged proteins are present in excess (multiple myeloma, acute infection, inflammation, etc. Each neutrophil lives less than a day, so your bone marrow must constantly make new neutrophils to maintain protection against infection. A higher than normal number of platelets can cause unnecessary clotting, which can lead to strokes and heart attacks; however, thanks to advances made in antiplatelet therapies, there are treatments available to help prevent these potentially fatal events. 2000 Circle of HopeSuite 4126Salt Lake City, Utah 84112 801-585-3229, Cell Therapy & Regenerative Medicine Program. These are the cells which can reconstitute hematopoiesis. size of needle. A complete blood count (CBC) is a blood test used to evaluate your overall health and detect a wide range of disorders, including anemia, infection and leukemia.A complete blood count test measures several components and features of your blood, including: 1. Bolus A quick dose of insulin that is delivered to cover food consumed or elevated blood glucose. Hematology-oncology: The diagnosis, treatment and prevention of blood diseases (hematology) and cancer (oncology) and research into them. The most common type of white blood cell is the neutrophil, which is the "immediate response" cell and accounts for 55 to 70 percent of the total white blood cell count. As this cross-linked fibrin is broken down, crosslinked D fragments of fibrin are generated — the D–dimer. gauge. Blood Clotting. Artery: Blood vessel carrying oxygen-ruch blood away from the heart. MCHC: Mean cell hemoglobin concentration. Hematology is the branch of medicine that studies blood and diseases of the blood. Known for their bright red color, red cells are the most abundant cell in the blood, accounting for about 40 to 45 percent of its volume. Stem cell: These are the hematopoietic precursor cells which can differentiate into various cell elements. The expression of this spliced gene product causes chronic myelogenous leukemia. Philadelphia chromosome: A 9:22 chromosome translocation which is found in chronic myelogenous leukemia. Fibrin is cross–linked to form a mesh to stop bleeding. Production of red blood cells is controlled by erythropoietin, a hormone produced primarily by the kidneys. Blood is basic to almost all the body's functions, and a blood test can reveal more about your physical condition than almost any other kind of examination, so hematology is an important medical specialty, … Red cells normally have a net negative charge and repel each other. CD34: This refers to an antigen expressed on the surface of hematopoietic stem cells. A disruption of an electric pathway in the heart. Infarct. Blood clotting, also known as coagulation performs the vital task of preventing excessive blood loss in the event of injury. They are much fewer in number than red blood cells, accounting for about 1 percent of your blood. A split, crack, erosion, or narrow ulceration. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All . Arteriole: A small branch of an artery that leads to a capillary. Anisocytosis: Unequal size of red cells. The percentage of whole blood volume that is made up of red blood cells is called the hematocrit and is a common measure of red blood cell levels. See more. Leukoerythroblastic: The presence of nucleated red cells and early white cell precursors in peripheral blood. This may be a needle biopsy, where a very fine needle is used to take a tiny sample of the tumour. A classic example is the term myeloid, which means all non-lymphoid cells (granulocytes, monocytes, erythroid cells, megakaryocytes) in the context of acute leukemia, whereas it means all granulocytes … The most commonly ordered laboratory test in the hospital. DIC: Disseminated intravascular coagulation. In general, an increased number of band forms are frequently seen in infections. Red blood cells start as immature cells in the bone marrow and after approximately seven days of maturation are released into the bloodstream. This is measured in picograms. However, clotting can sometimes fail to occur, this is known as haemophilia. Uncover details on the next hematology test now. Includes red cell number and size, white blood cell and platelet numbers. C. Cannula This section includes a list of Web links to patient groups and other organizations that provide information. Blood is a specialized body fluid. B lymphocytes make antibodies, which are proteins that specifically target bacteria, viruses, and other foreign materials. Hypochromia: Decreased amount of hemoglobin in red cells. This is the standard stain for peripheral blood smears. This finding suggests mechanical disruption of the red cell which may be seen in DIC, TTP, and malfunctioning heart valve. Occasionally a surgeon may remove the whole t… Precipitating factors include sepsis, obstetric complications, metastatic cancer, etc. Thus, increased levels of D–dimer signify activation of the coagulation system and the fibrinolytic system. Blood, (attraction for) group of hereditary bleeding disorders marked by definciencies of blood clotting proteins. This inclusion is made of nuclear remnants which have not been removed as usual by the spleen. Glossary of terms. Here is a glossary of terms and definitions related to heart disease:. Blood chemistry tests are used to diagnose conditions, monitor ongoing treatment, and measure the function of organs like the thyroid, liver, and kidneys. Can be any shape. A basal rate is measured in units per hour. Variations in the size or shape of these cells may suggest a blood disorder. acid-citrate-dextrose (ACD) Bone marrow shows megaloblasts — red cell precursors in which the nucleus does not mature as it is supposed to. Normal count is ~1 %. The finding of microcytosis shortens your differential for anemia to iron deficiency, thalassemia, and the anemia of chronic disease. adj., adj hematolog´ic. Hematology and oncology are two branches of medicine that are related to blood cancers. A group of potentially life-threatening disorders resulting from insufficient blood flow to the heart caused by the narrowing or blockage of one or more blood vessels to the heart; the conditions included in this group range from unstable angina to heart attack and are usually characterized by chest pain, upper body discomfort with pain in one or both arms, shoulders, stomach or jaw, shortness of breath, nausea, … Unlike many other cells, red blood cells have no nucleus and can easily change shape, helping them fit through the various blood vessels in your body. There are two main populations of these cells. Hematology definition, the study of the nature, function, and diseases of the blood and of blood-forming organs. A slow continuous delivery of insulin, which keeps blood glucose level stable between meals and during sleep. 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