Description: A white blood cell that is part of the innate immune system.
Location: Most often, they are found in the bone marrow and circulating in blood stream. However, they will quickly travel to the site of a potential parasite or allergen infection.
Weapons: Internal granules - digest eaten pathogens. Chemical grenades - chemicals that can be released to kill large pathogens.
Appearance: 12-17 micrometers in height, contain a single large nucleus and dark granules.
Source: arise from stem cells in the bone marrow.
Life span: 8-12 days. Spends a few hours in the bloodstream, and then migrates to skin or mucous membranes
Number: Around 7-16 billion in an average adult, however this number can rise quickly to fight infection by parasites or allergens.
Last Updated (Tuesday, 23 June 2009 12:34)