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Item #: 342-85
Source:
Human white blood cells
Cat. No:
342-85
STOCK STATUS:
LEAD TIME REQUIRED
Form:
Liquid in .45% NaCl and .2% Sodium Azide
Storage:
2-8C
UNSPSC code:
51131907
Product Name:
LYMPHOCYTES
CUSTOM ITEM: LEAD TIME REQUIRED: A lymphocyte count is usually part of a peripheral complete blood cell count and is expressed as percentage of lymphocytes to total white blood cells counted.
An increase in lymphocyte concentration is usually a sign of a viral infection (in some rare case, leukemias are found through an abnormally raised lymphocyte count in an otherwise normal person). A general increase in the number of lymphocytes is known as lymphocytosis whereas a decrease is lymphocytopenia.
A low normal to low absolute lymphocyte concentration is associated with increased rates of infection after surgery or trauma.
Once basis for low T cell lymphocytes occurs when the human immunodeficiency virus (HIV) infects and destroys T cells (specifically, the CD4+ subgroup of T lymphocytes). Without the key defense that these T cells provide, the body becomes susceptible to opportunistic infections that otherwise would not affect healthy people. The extent of HIV progression is typically determined by measuring the percentage of CD4+ T cells in the patient's blood. The effects of other viruses or lymphocyte disorders can also often be estimated by counting the numbers of lymphocytes present in the blood. (Wikipedia ref.)