Section 23. Disorders of the Blood >
Part 5. Disorders of White Blood Cells >
Chapter 441. Disorders of GranulocytesAlexander Blackwood and Lawrence A. Boxer
Topics Discussed: hematology; neutropenia.
Sections: Neutropenia, References.
Excerpt:"White blood cells, or leukocytes, are part of the innate immune
system. They are one of the body's major defenses in preventing
and combating infection. The most common types of leukocytes are
lymphocytes, monocytes, and granulocytes. This chapter will deal
primarily with granulocytes. These cells are derived from stem cells
in the bone marrow and have diverse functions. The most common of
the leucocytes is the neutrophil. Deficiency of neutrophils, called neutropenia, is
one of the most common hematologic abnormalities during childhood
and when severe can result in life-threatening infection. ..."
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