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white blood cell
NOUN
1.
any of various nearly colorless cells of the immune system that circulate mainly in the blood and lymph and participate in reactions to invading microorganisms or foreign particles, comprising the B cells, T cells, macrophages, monocytes, and granulocytes.
Source: Dictionary.com
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en.wikipedia.org/wiki/White_blood_cell

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both ...

www.healthline.com/health/wbc-count

Mar 6, 2017 ... White blood cells (WBCs) are an important part of the immune system. Here's what you need to know about your WBC count.

www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=160&ContentID=35

Although your white blood cells account for only about 1% of your blood, their impact is significant. White blood cells, also called leukocytes, are essential for ...

www.webmd.com/a-to-z-guides/white-blood-cells

Each type of white blood cell plays a different role in protecting the body. The numbers of each type of white blood cells give important information about the ...

www.britannica.com/science/white-blood-cell

Feb 16, 2017 ... White blood cell, also called leukocyte or white corpuscle, a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of ...

www.medicalnewstoday.com/articles/315133.php

Jan 11, 2017 ... Learn about the different types of white blood cells, their responsibilities, what a high level can indicate, and other imbalances of white blood ...

www.mayoclinic.org/symptoms/high-white-blood-cell-count/basics/causes/sym-20050611

Jun 11, 2005 ... High white blood cell count: Symptom — Overview covers possible causes of increased disease-fighting cells.

www.mayoclinic.org/symptoms/low-white-blood-cell-count/basics/causes/sym-20050615

Jun 15, 2005 ... White blood cells are manufactured in bone marrow — the spongy tissue inside some of your larger bones. A low white blood cell count usually ...