News tagged with white blood cells

Related topics: cells · immune system · immune cells · t cells · immune response

Natural killer cells have memory

Researchers at the University of Bonn and the Ludwig-Maximilians-Universität of Munich have decoded a new mechanism of how the immune system can specifically attack pigmented cells of the skin. It was previously believed ...

Jun 07, 2016
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New muscular dystrophy drug target identified

Scientists at the University of Liverpool have discovered that muscle cells affected by muscular dystrophy contain high levels of an enzyme that impairs muscle repair. This finding provides a new target for potential drug ...

Jun 01, 2016
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Genetic sequencing reveals drug resistance growth

The rate at which genetically mutated cancer cells grow may help explain why patients with a common form of leukemia develop treatment resistance, according to new research led by a Weill Cornell Medicine investigator. The ...

May 25, 2016
popularity89 comments 0

White blood cell

White blood cells (WBCs), or leukocytes (also spelled "leucocytes"), are cells of the immune system defending the body against both infectious disease and foreign materials. Five different and diverse types of leukocytes exist, but they are all produced and derived from a multipotent cell in the bone marrow known as a hematopoietic stem cell. Leukocytes are found throughout the body, including the blood and lymphatic system.

The number of leukocytes in the blood is often an indicator of disease. There are normally between 4×109 and 1.1×1010 white blood cells in a litre of blood, making up approximately 1% of blood in a healthy adult. An increase in the number of leukocytes over the upper limits is called leukocytosis, and in leukopenia, this number is much lower than the lower limit. The physical properties of leukocytes, such as volume, conductivity, and granularity, may change due to activation, the presence of immature cells, or the presence of malignant leukocytes in leukemia.

This text uses material from Wikipedia, licensed under CC BY-SA

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