1. 
   White blood cell
   A cell in blood that helps to destroy microorganisms and the toxins they produce
   Found op http://www.makingsenseofhealth.org.uk/default.html?section=Secondary&chapte
   
   
2. 
   White blood cell
   a group of colourless blood cells that are part of the immune system, helping prevent and fight infection
   Found op http://www.medichecks.com/glossary.cfm?ltr=W
   
   
3. 
   White blood cell
   White blood cell: One of the cells the body makes to help fight infections. There are several types of white blood cells (leukocytes). The two most common types are the lymphocytes and neutrophils (also called polymorphonuclear leukocytes, PMNs, or 'polys'). Lymphocytes are made in lymphoid tissue i...
   Found op http://www.medterms.com/script/main/art.html?articlekey=6017
   
   
4. 
   white blood cell
   <haematology> White corpuscles in the blood. They are spherical, colourless and nucleated masses involved with host defenses. ... Normal white blood cell counts are variable with age and sex. Normal adult range is 4, 500 to 11,000 cells per cubic millimetre of blood. Slightly higher counts are...
   Found op http://www.mondofacto.com/facts/dictionary?white+blood+cell
   
   
5. 
   white blood cell
   (WBC) Type: Term Synonyms: leukocyte
   Found op http://www.medilexicon.com/medicaldictionary.php?t=15961
   
   
6. 
   white blood cell
   See leukocyte.
   Found op http://www.daviddarling.info/encyclopedia/W/white_blood_cell.html
   
   
7. 
   White Blood Cell
   Infection fighting cells that help to maintain a healthy immune system. When a bacteria, virus or other foreign organism enters the body, white blood cells attack and destroy them. If an infection is present, the amount of white blood cells in the body will increase. Women that are pregnant will hav...
   Found op http://www.pregnology.com/AZ/W/1
   
   
8. 
   white blood cell
   white blood cell: see blood.
   Found op http://www.infoplease.com/ce6/sci/A0920305.html
   
   
9. 
   white blood cell
   One of a number of different cells that play a part in the body's defences and give immunity against disease. Some (neutrophils and macrophages) engulf invading micro-organisms, others kill infected cells, while lymphocytes produce more specific immune responses. White blood cells are colourl...
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0024940.html
   
   
10. 
    white blood cell
    A type of immune cell. Most white blood cells are made in the bone marrow and are found in the blood and lymph tissue. White blood cells help the body fight infections and other diseases. Granulocytes, monocytes, and lymphocytes are white blood cells. Also called leukocyte and WBC.
    Found op http://www.cancer.gov/dictionary?expand=W
    
    
11. 
    White blood cell
    White blood cells, or leukocytes (also spelled "leucocytes"; from the Greek word leuko- meaning "white"), are cells of the immune system involved in defending the body against both infectious disease and foreign materials. Five different and diverse types of leukocytes exist, but they are all produ...
    Found op http://en.wikipedia.org/wiki/White_blood_cell
    
    

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