What is the Meaning & Definition of white blood cells

Blood cells white or also called as leukocytes are a series of blood cells closely linked to immune response and therefore is that they constantly engage in the defense of our body against foreign or infectious agents that threaten health. I.e., immune response or immune system acts inside the body by identifying those pathogens and cancer cells that lead to diseases of the organism. This system is able to distinguish a huge variety of infectious agents such as intestinal parasites or viruses, among others.
As well noted, it is formed mostly by white blood cells.
It should be noted that white blood cells are generated both in the lymphatic tissue and bone marrow. The bone marrow is a type of tissue in the interior of long bones, ribs, sternum, vertebrae, pelvis, girdle and skull bones. Lymphatic tissue is that structure that moves a clear fluid (lymph) to the heart.
Other features of different white blood cells are: your mobility from an extension of their cytoplasm, allowing you to move, they have a measure ranging between 8 and 20 micrometers and their presence in the blood is transient, changing his life time of months, years or hours.
Also, white blood cells is considered them representatives of the white series, differentiating of erythrocytes or red blood cells just by the absence of staining.
The typical classification that is made of these cells is as follows: polynuclear with lobed nucleus (neutrophils, basophils, eosinophils); mononuclear nuclei but lobes (lymphocytes and monocytes); granulocytes; and agranulocytes.
White blood cells may suffer several alterations in its size, its shape and even in the operation, which may arise from inherited, by contracted infections diseases, by reaction adverse medication or by the presence of anemia, among others.
The great increase in the number of white blood cells is called Leukocytosis and leukopenia decrease.
Article contributed by the team of collaborators.