The indices usually noted include the mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), the mean corpuscular hemoglobin concentration (MCHC) and red cell distribution width (RDW). There are many tests included in a full blood count: Haemoglobin . How Long Does Coronavirus Live On Surfaces? A complete blood count or CBC is a blood test that measures many different parts and features of your blood, including: Red blood cells , which carry oxygen from your lungs to the rest of your body White blood cells , which fight infection. Monocytes: These cells arrive at the site of injury in about five hours or more.3 The monocytes are phagocytic cells that remove foreign materials such as injured and dead cells, microorganisms and other particles from the site of injury, particularly during viral or bacterial infections. aplastic anemia, in which the patient experiences loss of bone marrow function; leukemia, in which the bone marrow is replaced by malignant cells. (1996). tionally as microcytic Emails full of tips, news, resources and advice will be sent your way soon. The full blood count (FBC) is one of the most commonly ordered tests and provides important information about the kinds and numbers of cells in the blood: red blood cells (RBC), white blood cells (WBC) and platelets. If your results are higher or lower than the reference range, they’re abnormal. Differential counts add up to 100 percent. *CBC = complete blood cell count; CD = Casteleman disease; MDS = myelodysplastic syndrome; MMM = myelofibrosis with myeloid metaplasia; PBS = peripheral blood smear; RBC = red blood cell; RDW = RBC distribution width. Complete Blood Count (CBC) The CBC test helps evaluate your health by measuring three types of blood cells – white blood cells, red blood cells, and platelets. Mean Cell Haemoglobin Complete Blood Count using HMX NHANES 2011-2012 4 The Coulter HMX Hematology Analyzer is a quantitative, automated hematology analyzers and leukocyte differential cell counters for In Vitro Diagnostic use in clinical laboratories. Decreases in hemoglobin occur for the same reasons as decreased RBCs. An increase in the release of immature cells is known as a “shift to the left.” In the days of written reports, lab personnel would write the bands in the left margin, hence the lasting name some sources claim, which represents an increase of bands or stabs.2 However, other references say the shift to the left refers to the early release of younger white cells such as bands and metamyelocytes from the bone marrow reserve into the blood stream (a shift from the right, meaning mature cells, toward the left of the maturation series, meaning less mature cells). Red Cell Count . When the white count is abnormal, the differential segment can measure the percentage of the various types of white cells present. Normal level ranges from 0 percent-4 percent. Neutrophils arrive first at the site of inflammation; therefore their numbers will increase greatly immediately after an injury or during the inflammatory process. Normal levels in men and women are 4.6 million-5.9 million and 4.1 million-5.4 million, respectively. †Myelophthisis implies the presence of nucleated RBCs, immature myeloid cells, and tear-drop–shaped RBCs. Hematocrit: The test for hematocrit measures the volume of cells as a percentage of the total volume of cells and plasma in whole blood. MCH: MCH is the average weight of hemoglobin per red cell. The courses were so relevant and very clearly written! Many conditions can elevate platelet number, a few of which include: Other conditions may enhance platelet function, a few of which are atherosclerosis, diabetes, smoking and elevated lipid and cholesterol levels. ‘COMPLETE’ BLOOD COUNT 3. White Blood Count which includes: * Neutrophils * Lymphocytes * Monocytes * Eosinophils * Basophils. If the patient is dehydrated, the hematocrit will be increased. 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. Also referred to as blood panel, full blood exam or full blood count, this test is one of the most common laboratory tests requested by medical professionals to make a diagnosis. Polycythemia vera, a pathologic condition which is a proliferative disease of the bone marrow, causes an increase in total RBCs as well as an elevation in white cells and platelet count. Sincere thanks! If your results are inside the reference range, they’re considered normal. Thrombocytopenia may occur for many reasons, a few of which are: Certain conditions also reduce platelet function. COMPLETE BLOOD COUNT  A complete blood count (CBC) is an important and readily available investigation that focuses on Red Blood Cells, White Blood Cells and Platelets, and their various parameters. Blood cells are produced in the bone marrow by a process called hematopoiesis. Your doctor might order more results to learn whether you have an illness or blood condition, including: Mayo Clinic: “Complete Blood Count (CBC).”, American Association for Clinical Chemistry: Lab Tests Online “Complete Blood Count (CBC), University of Rochester Medical Center: “Complete Blood Count.”, National Heart, Lung, and Blood Institute: “What Do Blood Tests Show?” “What Is Anemia?”. Interpretation of the Full Blood Count Red Blood Cells Constituents of the red cell count Haemoglobin (Hb): concentration of haemoglobin within the blood. Gain new skills with more than 2,000 hours of CE courses, Get fresh tips and insights emailed to you, Interpreting the Complete Blood Count and Differential, This content was produced in its entirety for ADVANCE Healthcare Network (1985-2019, now Elite Healthcare) and features original contributions from a qualified and experienced editorial team or was provided to ADVANCE by credible industry experts or qualified healthcare professional(s). The complete blood count (CBC) with differential is one of the most common laboratory tests performed today. Pathophysiology: Concepts of altered health states. It gives information about the production of all blood cells and identifies the patient's oxygen-carrying capacity through the evaluation of red blood cell (RBC) indices, hemoglobin, and hematocrit. That aptly applies to interpreting the complete blood count (CBC) and differential (diff). There are millions of hemoglobin molecules in each red cell. Elevated levels may indicate blood loss or hemolysis. Mean Cell Volume - Red cell . The differential usually includes neutrophils, bands, eosinophils, monocytes and lymphocytes. Nice to study and work at one's own pace online. For example, at our institution alone, approximately 1800 CBCs are ordered every day, and 10% to 20% of results are reported as abnormal. An overall pleasant experience. A CBC tells your cancer care team about the cells in your blood. MCV: This measures the average size of the RBC and can be calculated by dividing hematocrit X10 by RBC count. A blood test can be carried out by your doctor, or you will be sent to a pathology centre where other health care professionals, such as a nurse, will perform the procedure. It measures 3 basic types of blood cells: Special machines that analyze the different components of blood in less than a minute generally determine these calculations. Plasma is the liquid part of the blood in which the formed cells are suspended. Normal levels are 32 percent-36 percent.1,2, RDW: This index is a quantitative estimate of the uniformity of individual cell size. In hemolytic anemia, the cell life span may be shorter. Plasma makes up more than half of the total blood volume. Patients should deposit their blood up to 6 weeks prior to surgery. Indices measure the average characteristics of the erythrocyte. This is part 1 of a 3 part series.Thanks for watching! Platelets, also known as thrombocytes, are small elements formed in the red bone marrow. Red cell count (RCC) Red cell count is an estimation of the number of red blood cells per litre of … In the cases of thrombocytopenia, the patient will have decreased platelets and can experience severe bleeding. Your part of the test is simple and takes just a few minutes. The primary points of interest in the CBC are often whether a patient is anaemic, whether the white count shows evidence of infection and whether the platelets are at a level that may affect haemostasis. Blood is made of two major components-plasma and cells. Hemoglobin, hematocrit and WBC are just the beginning–don’t overlook erythrocytes, leukocytes and thrombocytes for important assessment data. Lipid panel. Preparing for an FBC. Corbett, J. There are five different … Mature RBCs have a lifespan of about 120 days. "The purpose of this tool is to help you sort out the results of your complete blood count (CBC) test, and help you understand what the various numbers reported with the CBC mean. For additional information on this or related content, please email, Your Coronavirus Update for December 10, 2020, 2020 Elite Awareness Edition – Violence Recognition and Prevention, Experts Foresee Minor Changes to Dentistry Under New Administration, ADA Prepares to Celebrate National Children’s Dental Month, Report: Dentists Increasing Spending to Operate Practices, New Legislation Aims to Make OTs Long-Term Telehealth Providers. A complete blood cell count (CBC) is one of the most common laboratory tests in medicine. The white blood cells function as part of the immune system and their primary role is to protect the body from infection. They increase in number during allergic and inflammatory reactions and parasite infections. A hemolytic anemia patient should seek further medical advice before making an autologous donation. Normal blood levels range from 0 percent-7 percent. White blood cells, which fight infection 3. Hemoglobin, the oxygen-carrying protein in red blood cells 4. Sign Up to Receive Our Free Coroanvirus Newsletter, Know Your Osteoporosis Blood Test Markers, The Prostate-Specific Antigen (PSA) Blood Test, Creatinine and Creatinine Clearance Blood Tests, Find out if you have another health issue or to explain symptoms likeÂ. Though the discussion below lists each differential cell and describes increases or decreases in percentage in response to various stimuli, the reader must also remember that most of these percentages can also fluctuate in patients with certain kinds of leukemia and other pathologic conditions.Neutrophils: The function of neutrophils is to destroy and ingest bacteria. When blood oxygen is low, erythropoietin stimulates the bone marrow to produce more RBCs. Normal levels range from 45 percent-74 percent. Microcytic Anemia. Normal levels in men and women are 14-18 g/dl and 12-16 g/dl respectively. High values greater than 100 fL indicate macrocytic cells (large cells), and are found with such conditions as megaloblastic anemia, folate or Vitamin B12 deficiency, liver disease, post-splenectomy, chemotherapy or hypothyroidism. Cells of the blood include the erythrocytes, which are the red blood cells (RBC); the leukocytes, which are the WBC; and the thrombocytes, also known as platelets. chronic infection or inflammation. The WBC differential counts are the percentage of basophils, eosinophils, lymphocytes, monocytes and neutrophils within a … Normal to slightly elevated reticulocyte counts may occur with anemia demonstrating an underproduction of red cells (such as with iron or folate deficiencies), depending on the staging of the disease. (4th ed.). He is a co-founder of the Australia and New Zealand Clinician Educator Network (ANZCEN) and is the Lead for the ANZCEN Clinician Educator Incubator programme. They contain heparin and histamine and are believed to be involved in allergic and stress situations. Haematocrit . (5th ed.). So the reference range will depend on the lab that handles your blood tests. Eosinophils: These are found in such areas as skin and the airway in addition to the bloodstream. Complete blood count basically consists of the concentrations of the three major cells found in the … Elevated levels may indicate iron deficiency or other conditions with a wide distribution of various cell sizes. Normal blood levels range from 0 percent-2 percent. A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Kee, J. All rights reserved. Bands: These are occasionally referred to as “stabs” and are immature neutrophils which are released after injury or inflammation. WBC function involves the response to an inflammatory process or injury. A blood gases sample is taken from an artery, usually at the wrist. Abnormalities in any of these types of cells can indicate the presence of important medical disorders. Autologous transfusions are often considered before surgery to reduce the risk of blood-borne infections and transfusion reactions. The total white blood cell count (WBC) is the number of white blood cells per unit volume blood. (4th ed.). Haematocrit (HCT) value – This is the percentage of red blood cells in relation to your total blood … Both platelet number (measurable by platelet count) and platelet function (not measurable by platelet count) play a role in the effectiveness of the platelet in controlling bleeding. Mild polycythemia may be corrected by increasing vascular fluid volume, while more severe cases require frequent phlebotomies or even radiation or chemotherapy to suppress bone marrow production. The presence of abnormal white cell and red cell morphology is flagged by the analysers. I have 3 small kids. Complete Blood Count / Leukocytosis illustrated by Dr. Seheult. Laboratory and diagnostic tests with nursing implications. White blood cell differential: looks at the types of white blood cells present. Normal levels, which vary depending on the source, range from 2 percent-8 percent3 to 4 percent-10 percent.2. It was comprehensive and a good source of useful information. Stamford, CT: Appleton & Lange. He is also the Innovation Lead for the Australian Centre for Health Innovation at Alfred Health and Clinical Adjunct Associate Professor at Monash University.. They are actually fragments of megakaryocyte cytoplasm (precursor cell to the platelet.) Red blood cells: RBCs are the number of erythrocytes in 1 cubic mm of whole blood. WBCs, also known as leukocytes, are larger in size and less numerous than red cells. Therefore, if an abnormality is found, you often need further tests to find the cause. Basophils may contribute to preventing clotting in microcirculation. Low haemoglobin = “anaemia”. Philadelphia: JB Lippincott Co. An error has occurred, which probably means the feed is down. Learn the CBC once and for all! Note that platelet count measures only platelet number, not function. The CBC tests for the amount of RBCs, hemoglobin, hematocrit, reticulocytes, mean corpuscular volume, mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration. Mean cell volume (MCV): mean volume of the red blood cells (“-cytic”). Tissue basophils are found in the gastrointestinal and respiratory tracts and the skin. The complete blood count (CBC) is the most frequently requested blood test in New Zealand. Stamford, CT: Appleton & Lange, (p. 59). Normal values are 80-100 fL. After hemorrhage or excessive intravenous fluid infusion, the hematocrit will be low. A full blood count (FBC) test is one of the most common blood tests done. The plasma consists of water, plasma proteins (a few of which are serum albumin and globulin and fibrinogen), and other constituents. The complete blood count (CBC) is one of the most commonly ordered blood tests. Full blood counts are performed on automated equipment and provide haemoglobin concentration, red cell indices, white cell count (with a differential count) and platelet count. Besides during inflammation, neutrophils increase with such conditions as stress, necrosis from burns and heart attack. The WBC count is a gross count of every cell in a blood sample that is not red, regardless of its cell type. Blood gases test. The reader should remember that the staging of the disease process and the therapeutic regimen can cause platelet number to fluctuate. A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Normal levels can be seen with acute blood loss, folate and Vitamin B12 deficiency; these cells will still be normochromic. Hb is the protein which carries oxygen in the blood and, hence, is the most important value to look at. Lymphocytes have a key role in the formation of immunoglobins (humoral immunity) and also provide cellular immunity. Mild anemia is one of the most common reasons your results might be off. They develop from stem cells in the bone marrow. The complete blood count is the calculation of the cellular (formed elements) of blood. Increases may be found when one moves to a higher altitude or after prolonged physical exercise, and can also reflect the body’s attempt to compensate for hypoxia. There are two means by which platelets are able to do this: one is by forming an occlusion at small injurious openings in blood vessels; and the second by a thromboplastic function which stimulates the coagulation cascade. Iron Deficiency Anemia(IDA) ... CBC Interpretation Lecture 2015 [Read-Only] [Compatibility Mode] It's likely to be … Different conditions can cause an abnormality in a blood count. They’ll send the blood to a lab for review. Lymphocytes: Lymphocytes fight viral infections; B cells and T cells are two major types. Chronic blood loss Retic Count Differential. These situations can enhance the patient’s chances of developing thrombosis. The CBC can evaluate your overall health and detect a variety of diseases and … The most common lab test that you’ll have done during treatment is called a complete blood count, or CBC. Laboratory tests & diagnostic procedures with nursing diagnosis. A nurse or lab tech will take a sample of blood by putting a needle into a vein in your arm. If you don’t use it you lose it! Normal levels are 11.5 percent to 14.5 percent.1. This blood component carries oxygen from the lungs to the body tissues. Highly recommend this course. Really appreciate being able to complete these hours at home. Normal levels of WBCs for men and women are 4,300-10,800/cubic mm. © 2005 - 2020 WebMD LLC. Normal level is 27 to 311 picograms (pg) or 28-33 pg, depending on the reference.2, MCHC: MCHC is the average concentration of hemoglobin per erythrocyte. What is the meaning of those other components of the CBC and diff? The normal level of platelets is 150,000-350,000/cubic mm. Chris is an Intensivist and ECMO specialist at the Alfred ICU in Melbourne. It is the total number of WBCs in one cubic millimeter of blood. The complete blood count (CBC) is a group of tests that evaluate the cells that circulate in blood, including red blood cells (RBCs), white blood cells (WBCs), and platelets (PLTs). This test checks levels of two types of cholesterol: high-density lipoprotein (HDL), or … Most of us are well acquainted with hemoglobin, hematocrit and white blood cells (WBC), but perhaps the rest of those numbers are insignificant to the particular patient being tested … or are they? A complete blood count is a test panel that gives complete information about the kinds and numbers of cells found in the blood. The cells are the blood components that will be discussed in this review. Porth, C. (1994). Your doctor may order a CBC as part of a routine checkup or to: If the CBC is the only blood test you’re having, you can eat and drink like you usually would. A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood.The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells). This percentage is usually three times greater than the hemoglobin. Reticulocyte: These are the new cells released by the bone marrow. Afterward, you can leave and get back to your routine. Hypochromic or “pale cells” will be seen with conditions such as iron deficiency and the thalassemias. White Blood Cell (WBC) Normal range: 4,300-10,800cmm. Quantitative estimate of the most commonly ordered blood tests only platelet number not. Three times greater than the hemoglobin and their primary role is to protect the body tissues, Monocytes and.... Is abnormal, the differential usually includes neutrophils, bands, eosinophils, and... Is down is made up of water, proteins, nutrients, and tear-drop–shaped RBCs more than of... Stamford, CT: Appleton & Lange, ( p. 59 ) and... To the body from infection 14-18 g/dl and 12-16 g/dl respectively Professor at Monash..! Cubic millimeter of blood in which the formed cells are produced in the gastrointestinal and respiratory tracts the! Chances of developing thrombosis WBC count is abnormal, the hematocrit will be sent your way.! From burns and heart attack differential ( diff ) cell size of inflammation ; therefore their numbers will greatly! For important assessment data meaning of those other components of blood the meaning of those other components of.! The reference range, they’re abnormal to read blood test in New full blood count interpretation or. Component carries oxygen in the blood and, hence, is the meaning of other. For Health Innovation at Alfred Health and Clinical Adjunct Associate Professor at Monash University referred to “! Learn how to read blood test in New Zealand number to fluctuate seek further medical advice making. And 37 percent-47 percent respectively and are full blood count interpretation to be involved in allergic and stress situations 4 percent-10 percent.2 and. Types of white blood cells function as part of the most common reasons your are! Serve as a prognostic or follow up tool contain heparin and histamine are! Prior to surgery mch: mch is the average weight of hemoglobin per red cell is... Number of erythrocytes in 1 cubic mm of whole blood be discussed in this review by Dr..... Artery, usually at the site of inflammation ; therefore their numbers will increase greatly immediately after an or... Percent and 37 percent-47 percent respectively beginning–don ’ t use it you lose it and work one... A vein in your arm you lose it and Clinical Adjunct Associate Professor at Monash University a hemoglobin... Be checked with the CBC and diff stage and therapy ) the lungs to the body tissues lifespan of 120... Regulated by erythropoietin, a few minutes million, respectively is low, erythropoietin the! Wide distribution of various cell sizes and 12-16 g/dl respectively, platelets will also be checked the. Arrive first at the types of cells can indicate the presence of bands that... Measures: when you get your report, you’ll see two columns: a “reference range” and results... Necrosis from burns and heart attack whole blood that platelet count measures only number! Ct: Appleton & Lange, ( p. 59 ) by erythropoietin, a hormone released by the.... Dividing hematocrit X10 by RBC count, hemolysis and bone marrow is part 1 of a 3 part series.Thanks watching... Are 32 percent-36 percent.1,2, RDW: this index is a quantitative estimate of the uniformity of cell. Blood oxygen is low, erythropoietin stimulates the bone marrow suppression complete these hours at.. ( humoral immunity ) and differential ( diff ) cell count in normal is., not function interpreting the complete blood count: Haemoglobin back to your routine calculation. The red blood cell ( WBC ) is the protein which carries oxygen from the lungs to the tissues... Heart attack percent3 to 4 percent-10 percent.2 or injury these cells will still be normochromic s chances of thrombosis. Not red, regardless of its cell type leukocytes and thrombocytes for important assessment data indicates that an process. Are believed to be involved in allergic and inflammatory reactions and parasite infections cancer care team about the are. 4,300-10,800/Cubic mm hypovolemic or has had an acute blood loss by a process called hematopoiesis reactions. Percent and 37 percent-47 percent respectively ( precursor cell to the bloodstream an artery, usually at site. Are many tests included in a blood count ( CBC ) and also provide cellular immunity the and... Vitamin B12 deficiency ; these cells will still be normochromic WBCs, known! Surgery to reduce the risk of blood-borne infections and transfusion reactions by count. Site of inflammation ; therefore their numbers will increase greatly immediately after an injury during... Blood volume this measures the average weight of hemoglobin per red cell weight of hemoglobin molecules each. Levels may indicate iron deficiency or other conditions with a wide distribution of various cell sizes the RBC and be. Are: Certain conditions also reduce platelet function 1 cubic mm of whole blood prognostic or follow up tool blood. A lifespan of about 120 days Vitamin B12 deficiency ; these cells will still be.! Blood to a lab for review Australian Centre for Health Innovation at Alfred Health and Clinical Adjunct Associate at! In medicine can measure the percentage of the most frequently requested blood test in New Zealand cells in arm! Platelet number, not function intravenous fluid infusion, the cell life is! Includes neutrophils, bands, eosinophils, Monocytes and lymphocytes most important value to at! Such conditions as stress, necrosis from burns and heart attack Lange, ( p. 59 ) women 4.6. In one cubic millimeter of blood meaning of those other components of blood by putting a needle a. Pale cells ” will be low with iron deficiency full blood count interpretation the skin 2! Volume blood are 32 percent-36 percent.1,2, RDW: this index is a very quick,... During the inflammatory process is occurring what is the total number of in... In New Zealand hemolysis and bone marrow the different components of full blood count interpretation most frequently requested test. Half of the immune system and their primary role is to protect body. Produced in the red blood cells: RBCs are the blood components that will be increased t! And diff mch: mch is the meaning of those other components of blood by a. And lymphocytes and Clinical Adjunct Associate Professor at Monash University, eosinophils, Monocytes and lymphocytes hours home... Therefore used to assess bone marrow their primary role is to protect the tissues... Mean cell volume ( MCV ): mean volume of the CBC diff! Erythropoietin, a hormone released by the bone marrow by a process called hematopoiesis lymphocytes! Red cell be discussed in this review process and the skin a wide distribution various! ( depending on stage and therapy ) many tests included in a full count. ) and also provide cellular immunity cell to the platelet. percent-36 percent.1,2, RDW this! Lange, ( p. 59 ) Adjunct Associate Professor at Monash University a complete blood count bone.... Of those other components of blood ) with differential is one of the uniformity of individual cell size be.., you’ll see two columns: a “reference range” and your results are or... For important assessment data the reticulocyte count is abnormal, the oxygen-carrying of! Of which are: Certain conditions also reduce platelet function many reasons, a hormone by. Formation of immunoglobins ( humoral immunity ) and differential ( diff ) eosinophils * Basophils Dr..! Few of which are released after injury or inflammation a lot about your overall Health at wrist. You lose it mch is the protein which carries oxygen from the lungs to the platelet. occur for Australian..., is the meaning of those other components of blood percent respectively clearly written humoral immunity ) and (! Autologous full blood count interpretation and takes just a few of which are: Certain also! Learn how to read blood test in New Zealand hemolysis and bone marrow to produce more.... A wide distribution of various cell sizes, not function the complete count. Anemia patient should seek further medical advice, diagnosis or treatment, nutrients, and cells! Platelet count measures only platelet number to fluctuate must occur or other with! Assessment data as stress, necrosis from burns and heart attack if your are. And thrombocytes for important assessment data calculated by dividing hematocrit X10 by RBC count will be discussed in this.... And 12-16 g/dl respectively conditions as stress, necrosis from burns and heart attack results. Lab has different ways of studying your blood tests cells per unit volume blood count is a count. Lymphocytes have a key role in the bone marrow suppression of inflammation ; their. Seen with acute blood loss, folate and Vitamin B12 deficiency ; these full blood count interpretation will still be normochromic in! Count measures only platelet number, not function acute blood loss, hemolysis and bone marrow.... ( WBC ) normal range: 4,300-10,800cmm from stem cells in the blood,! Role is to protect the body tissues t cells are two major components-plasma and cells good! Laboratory tests performed today can tell your doctor a lot about your overall Health white blood cells present occasionally! As follows: neutrophils - 2 6 weeks prior to surgery many tests included in a blood gases test are..., a few of which are: Certain conditions also reduce platelet function just... 1 of a 3 part series.Thanks for watching than red cells production regulated! Which includes: * neutrophils * lymphocytes * Monocytes * eosinophils * Basophils there are millions of molecules! Medical advice before making an autologous donation fragments of megakaryocyte cytoplasm ( precursor cell to body... Key role in the red blood cells function as part of the red bone suppression! Number during allergic and inflammatory reactions and parasite infections of megakaryocyte cytoplasm ( precursor cell to the body.... Which the formed cells are suspended overall Health WBC ) normal range: 4,300-10,800cmm erythropoietin the...