Is a set of about 30 different kinds of proteins that circulate in inactive form through the body in blood and interstitial fluid
An abnormal harmless substance that stimulates an immune response in some people
B lymphocytes that can make ______
Cell that is long-lived, antigen-sensitized lymphocyte that can act in a secondary immune response
Marker of self-proteins on the surface of vertebrate body cells
Refers to procedures designed to induce immunity to disease
Caused by propinibacterium
and feeds on sebum, a greesy micture of lipids that lubricates hair and skin
Rare but life-threatening severe allergic reaction that requires immediate treatment
Antigen receptor on the surface of a T cell
Immune response that targets one's own tissues
Normal flora contain ____________ that typically live on human surfaces, including the interior tubes and cavities of the digestive and respiratory tracts
Sensitivity to an allergen
What we call immune responses that are tailored to combat specific antigens
Variety of antigen receptors on a body's collection of lymphocytes allowing the body to make billions of different antigen receptors an individual has the potential to counter billions of different threats is known as
target multicelled parasites too big for phagocytosis by secreting toxins such as hydrogen peroxide
phagocytic white blood cell that alerts the immune system to the presence of antigen in solid tissues
Cell that is antigen-sensing lymphocyte that forms in an immune response and acts immediately
T lymphocytes that are central to adaptive immunity, some kinds target infected or cancerous body cells this type is specialized to kill infected or cancerous body cells
Along with mast cells degranulate in response to injury as well as antigen