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Topic: Blood cell


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  BLOOD CELLS
Not every cell you see in the lab will look exactly like these, but if you look for the features pointed out with each micrograph, you should be able to make proper identifications during differential white blood cell counts or during a lab exam.
The background cells in this micrograph are erythrocytes (red blood cells).
The primary function of these cells is to carry oxygen from the lungs to the body cells.
www.unomaha.edu /hpa/blood.html   (862 words)

  
  Red blood cell - Wikipedia, the free encyclopedia
Red blood cells are the most common type of blood cell and are the vertebrate body's principal means of delivering oxygen from the lungs or gills to body tissues via the blood.
The blood plasma is straw-colored alone, but the red blood cells change colors due to the state of the hemoglobin: when combined with oxygen the resulting oxyhemoglobin is scarlet and when oxygen has been released, the resulting deoxyhemoglobin is darker, appearing bluish through the blood vessel walls.
Spherocytosis is a genetic disease that causes a defect in the red blood cell's cytoskeleton, causing the red blood cells to be small, sphere-shaped, and fragile instead of donut-shaped and flexible.
en.wikipedia.org /wiki/Red_blood_cell   (1357 words)

  
 NeoCells - NeoCells Cord Blood Banking Pricing
NeoCells has made a commitment to its clients to be America’s high quality yet affordable umbilical cord blood stem cell preservation company.
The fee for testing and processing your baby’s cord blood is only $1,195, up to 40% less than most umbilical cord blood stem cell preservation companies.
Storage of your baby’s stem cells the initial year is Free**.
www.neocells.com /html/pricing.html   (160 words)

  
 Blood Facts | About Blood: The Blood Cell   (Site not responding. Last check: 2007-10-25)
Red cells, white cells and platelets are made in the marrow of bones, especially the vertebrae, ribs, hips, skull and sternum.
One of the functions of plasma is to act as a carrier for blood cells, nutrients, enzymes and hormones.
Red cells are disc-shaped cells containing hemoglobin, which enables the cells to pick up and deliver oxygen to all parts of the body.
www.lifeshare.org /facts/bloodcells.htm   (143 words)

  
 Dual Red Blood Cell Donation
Blood is drawn and is passed through a cell separator where the component is collected and the remainder is returned to you.
This is different from whole blood donations where the blood components are separated later in laboratories, involving manual secondary handling.
Red blood cells carry oxygen to the body’s organs and tissue, and remove carbon dioxide.
www.bloodntissue.org /blooddonation_dual.asp   (479 words)

  
 The Blood Cells
Leukocytes, or white cells, are responsible for the defense of the organism.
The density of the leukocytes in the blood is 5000-7000 /mm
The cytotoxic lymphocytes kill cells by means of the release of perforins, substances which produces lesions in the membrane of the target cell and cause its death by osmotic lysis (cell-mediated response).
www.funsci.com /fun3_en/blood/blood.htm   (3795 words)

  
 Red Blood Cell Indices | AHealthyMe.com
Red blood cell indices are additional measurements of red blood cells based on the relationship of these three test results.
Cells with a normal concentration of hemoglobin are called normochromic; cells with a lower than normal concentration are called hypochromic.
Cells with too little hemoglobin are lighter in color with a larger pale area in the center.
www.ahealthyme.com /topic/topic100587391   (1394 words)

  
 Dictionary of Cancer Terms - National Cancer Institute
Blood pressure is taken using two measurements: systolic (measured when the heart beats, when blood pressure is at its highest) and diastolic (measured between heart beats, when blood pressure is at its lowest).
Blood pressure is written with the systolic blood pressure first, followed by the diastolic blood pressure (for example 120/80).
Abnormal cells that are confined to the ducts or lobules in the breast.
www.cancer.gov /dictionary/db_alpha.aspx?expand=b   (6081 words)

  
 (BETA) Blood Cell Deficiencies - Part 2
Monocytes are large blood cells that live for a short time in the circulating blood before they migrate into the tissues of the body and mature into macrophages.
Macrophages are large scavenger cells that target different types of "enemies." Many macrophages reside in the lymph nodes and spleen, and specialized macrophages protect the skin, lungs, intestines, liver, brain and other tissues.
Blood cell deficiencies once necessitated inconvenient, expensive and potentially dangerous treatments such as blood transfusions or bone marrow transfers.
www.aegis.com /pubs/beta/1998/BE980704.html   (2690 words)

  
 HON Allergy Glossary White Blood Cell
Leukocytes or white blood cells (WBC) are cells in the blood that are involved in defending the body against infective organisms and foreign substances.
White blood cells are the principal components of the immune system and function by destroying "foreign" substances such as bacteria and viruses.
Multiplying the percentage by the total count of white blood cells indicates the actual number of each type of white blood cell in the sample.
www.hon.ch /Library/Theme/Allergy/Glossary/wbc.html   (236 words)

  
 BMT and Peripheral Blood Stem Cell Transplantation - National Cancer Institute
Embryonic stem cells can develop into every type of cell in the body.) Hematopoietic stem cells divide to form more blood-forming stem cells, or they mature into one of three types of blood cells: white blood cells, which fight infection; red blood cells, which carry oxygen; and platelets, which help the blood to clot.
GVT occurs when white blood cells from the donor (the graft) identify the cancer cells that remain in the patient’s body after the chemotherapy and/or radiation therapy (the tumor) as foreign and attack them.
In apheresis, blood is removed through a large vein in the arm or a central venous catheter (a flexible tube that is placed in a large vein in the neck, chest, or groin area).
www.cancer.gov /cancertopics/factsheet/Therapy/bone-marrow-transplant   (3105 words)

  
 Peripheral Blood Stem Cell Transplant - Cancer information on MedicineNet.com
Peripheral blood stem cell transplantation is a new technique in which stem cells are obtained from a patient's blood and used in bone marrow transplantation.
A stem cell can forgo immortality and turn into an ordinary blood cell, a red blood cell (an erythrocyte), a white blood cell (a leukocyte), or a large cell (a megakaryocyte) that fragments into the platelets needed for blood to clot.
To recruit enough stem cells into the blood, stem cells are lured out of the bone marrow by a special regimen of drugs and coaxed into entering the peripheral blood (the blood stream).
www.medicinenet.com /peripheral_blood_stem_cell_transplant/article.htm   (469 words)

  
 Live Blood Cell Analysis: Another Gimmick to Sell You Something
Stephen Barrett, M.D. Live blood cell analysis is carried out by placing a drop of blood from the patient's fingertip on a microscope slide under a glass cover slip to keep it from drying out.
Although a few characteristics of blood (such as the relative size of the red cells) are observable, live cell analysts invariably misinterpret other things, such as the extent of red blood cell clumping, changes in the shape of the cells, and other artifacts that occur as the blood sample dries.
The other said my blood cells showed evidence of "liver toxicity," "bacterial infection," and "free radical damage." In both cases the recommended "treatment" was enzyme pills, which the company was marketing with false claims that "enzyme deficiency" is widespread among Americans.
www.quackwatch.org /01QuackeryRelatedTopics/Tests/livecell.html   (3205 words)

  
 Blood Cell Counts
The mature red blood cell (also known as an erythrocyte) carries oxygen attached to the iron in hemoglobin.
The number of red blood cells is determined by age, sex, altitude, exercise, diet, pollution, drug use, tobacco/nicotine use, kidney function, etc. The clinical importance of the test is that it is a measure of the oxygen carrying capacity of the blood.
The hematocrit is one of the most precise methods of determining the degree of anemia or polycythemia (excessive amount of red blood cells).
drkaslow.com /html/blood_cell_counts.html   (1101 words)

  
 SIU SOM Histology INTRO
Neutrophils are anti-bacterial cells which lyse (break down) bacterial cells by releasing the lysosomal enzymes which are stored in their specific granules.
Neutrophils gather rapidly in peripheral tissue during acute inflammation, by emigrating from the blood.
Among the confusing proliferation of haemopoietic cells in bone marrow, megakaryocytes are easy to recognize by their huge size and large, lobulated nuclei.
www.siumed.edu /~dking2/intro/bldcells.htm   (1372 words)

  
 White blood Cell count    WBC, Complementary and Alternative Healing University
White blood cell that increases in response to parasitic infections and allergic reactions.
Blood test that determines the percentage of each type of white blood cell in a person's blood.
White blood cell that increases in response to bacterial infection.
alternativehealing.org /white_blood_cell_count.htm   (262 words)

  
 White blood cell research
However, when white blood cells begin to migrate across the endothelial cells, the recycling PECAM becomes directed to the specific part of the endothelial cell border across which the leukocyte is migrating.
White blood cells also express PECAM, leading Muller's team to hypothesize that the interaction between the PECAM on the endothelial cell and the PECAM on the white blood cell is essential for migration.
They demonstrate that while the white blood cells can still attach to the endothelial cells, the recycling of PECAM is never redirected, and the leukocytes are unable to migrate into the tissue.
www.news.cornell.edu /Chronicle/03/4.3.03/Weill-recycle_cells.html   (893 words)

  
 Cord blood stem cells are one source for leukemia blood stem cell transplants
In a blood stem cell transplant, the leukemia patient is first given a pre-transplant treatment of chemotherapy and/or radiation therapy to destroy the patient's leukemia cells and immune system.
Blood stem cells are then put into the patient's blood to restore the patient's immune system and blood cell production.
Whether a related or unrelated donor is used, the transplant procedure is the same: the blood stem cells are collected from a donor and given to the patient.
www.leukemia-web.org /stem-cell-transplants.htm   (509 words)

  
 Red Blood Cell Morphology Information And Webpage   (Site not responding. Last check: 2007-10-25)
Study of the red blood cell morphology may reveal the presence of a large determined for red blood cells and white blood cells.
Normal red cells are biconcave discs measuring 6 8 um in exceeding one third the diameter of the cell.
Role of cell surface morphology on age related changes in concanavalin a mediated red blood cell adsorption capacity of human diploid fibroblasts.
www.blood-cell-research.info /red-blood-cell-morphology.html   (1229 words)

  
 UMBILICAL CORD BLOOD STEM CELL RESEARCH
The red cell-depleted fraction was shown to be enriched in progenitor cells and in cells secreting hematopoetic cytokines interleukin 3, granulocyte/macrophage colony-stimulating factor, and interleukin 6; a major source for cytokines was from cord T cells.
A cord cell transplant of cryopreserved and thawed cells consisting of 4 x 10 to the 7 th nucleated cells per kg was administered to the patient following myeloablative chemotherapy.
Whether CB blood cells engrafting into BM space also comprise T cell progenitors capable of trafficking to the thymus and reconstituting a functional thymopoiesis show that CB progenitors, engrafted in the BM of immunodeficient mice, sustain human thymopoiesis by generating circulating T-cell progenitors capable of homing to and developing within a human thymic graft.
www.stemcelltherapies.org /stemumtherapies.htm   (9876 words)

  
 Red Blood Cell Indices Information on Healthline
Red blood cell indices are measurements that describe the size and oxygen-carrying protein (hemoglobin) content of red blood cells.
Inherited disorders affecting hemoglobin, severe reactions to blood transfusions, prescription medications, or poisons can cause red blood cells to burst (hemolyze) well before the end of their usual 120-day lifespan.
These tests are the hematocrit, hemoglobin, and red blood cell count.
www.healthline.com /galecontent/red-blood-cell-indices   (1019 words)

  
 White blood cell - Wikipedia, the free encyclopedia
White blood cells are cells which form a component of the blood.
As well as in the blood, white cells are also found in large numbers in the lymphatic system, the spleen, and in other body tissues.
Agranulocytes: Agranulocytes are a category of white blood cells which are characterised by the absence of granules in their cytoplasm.
en.wikipedia.org /wiki/White_blood_cell   (720 words)

  
 White blood cell definition - Allergies: allergy symptoms, treatment, and medications by MedicineNet.com
There are several types of white blood cells (leukocytes).
Lymphocytes are made in lymphoid tissue in the spleen, lymph nodes, and thymus gland.
The white blood cell count is done by counting the number of white blood cells in a sample of blood.
www.medterms.com /script/main/art.asp?articlekey=6017   (359 words)

  
 Blood cell - Wikipedia, the free encyclopedia
A blood cell is any cell of any type normally found in blood.
Red blood cell, whose main purpose is the transport of oxygen;
Platelet, which is actually a fragment of the large bone marrow cells known as megakaryocytes and are important in blood clotting.
en.wikipedia.org /wiki/Blood_cell   (105 words)

  
 MicroAngela - Red Blood Cell
Red blood cells are made in the bone marrow.
They start out with a nucleus, like other cells, but when they fill up with hemoglobin the nucleus is squished smaller and smaller until it disappears.
With no nucleus, red blood cells are fragile and live only about 120 days.
www.pbrc.hawaii.edu /bemf/microangela/rbc9.htm   (93 words)

  
 White Blood Cell Count: The Test
Conditions or medications that weaken the immune system, such as HIV infection or chemotherapy, cause a decrease in white blood cells.
The WBC count is used to suggest the presence of an infection or leukemia.
A WBC count is normally ordered as part of the complete blood count (CBC), which is ordered for a wide variety of reasons.
www.labtestsonline.org /understanding/analytes/wbc/test.html   (374 words)

  
 Cord Blood Banking - NeoCells Cord Blood Stem Cell Banking
NeoCells, believes cord blood banking should be made available to every newborn at affordable prices.
Banking your baby’s cord blood is a once in a lifetime opportunity.
NeoCells offers high quality cord blood banking service at affordable rates(why NeoCells)
www.neocells.com   (222 words)

  
 Differential Blood Cell Counter manufacturer -- Digisystem Laboratory Instruments Inc. - Asia, China, Taiwan ...
New Differential Blood Cell Counter products will be constantly updated in and added into this category.
DBC-2 / DBC-6 / DBC-9 (Differential Blood Cell Counter)
Differential blood cell counter is used in hematology to classify and count white blood cells.
www.digisystemlab.com /manufacturer/798/798.html   (147 words)

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