Study Of White Blood Cell (WBC)

WBC (White Blood Cells)
White blood cells have a nucleus surrounded by cytoplasm. All WBCs come from bone marrow stem cells-> ((Cells that are able to develop into many (or all) types of cells)). In the marrow, they change into two groups: myeloid and lymphoid cells. They then mature into five different types of WBCs.

Neutrophil

White blood cell (leucocyte) with granules that stain blue. Neutrophils engulf bacteria and cellular debris. An increase in the number of neutrophils occurs in acute infections, certain malignant neoplastic diseases, and some other disorders.

Eosinophil

White blood cell (leucocyte) with granules that are readily stained with eosin. Eosinophils, normally about 1-3% of the total white blood cell count, are believed to function in allergic responses and in resisting some infections

Basophil

Type of white blood cell (leucocyte), with coarse granules that stain blue when exposed to a basic dye. Basophils normally constitute 1% or less of the total white blood cell count but may increase or decrease in certain diseases

Monocyte

Leucocyte (white blood cell) which ingests bacteria and other foreign particles. Monocytes are usually larger then other peripheral blood leucocytes, have a large central oval or indented nucleus and make up 5-10% of the total white blood cell count.

Lymphocyte

White blood cell (leucocyte) containing no granules that normally makes up about 25% of the total white blood cell count but increases in the presence of infection. Lymphocytes occur in two forms: B cells, the chief agents of the humoral immune system, which recognize specific antigens and produce antibodies against them; and T cells, the agents of the cell-mediated immune system, which secrete immunologically active compounds and assist B cells in their function.