increase in # of circulating leukocytes
allergies, hay fever, parasitic infections (trichinosis), scarlet fever and cholera
whooping cough, infectious mononucleosis, rubella, acute dermatitis
neutrophils
An immunologic defense against tissue injury, infection, or allergy OR the body's reaction to injury, irritation, or infection.
A sequential reaction to cell injury. It neutralizes and dilutes the inflammatory agent , removes necrotic materials, and establishes an environment for healing.
Normal flora on skin surface and mucous membranes (this is the mote of the castle).
Intact skin and mucous membranes (castles walls)
Last and strongest defense ; leukocytes and chemical mediators they produce which attack and help repair tissue (soldiers inside).
HLA: Human leukocyte antigens = they recognize healthy self cells.
Bone marrow
protect from invading organism