Chapter 11.2 The Body's Line Of Defence. Flashcards
A phagocytic white blood cells found in lymph nodes, bone marrow, and the spleen and liver.
Macrophage.
The process by which a white blood cell engulfs and chemically destroys a microbe.
Phagocytosis.
A thick liquid composed of protein fragments from digested leukocytes and microbes.
Pus.
Localized nonspecific response triggered when tissue cells are injured by bacteria or physical injury, characterized by swelling, heat, redness, and pain.
Inflammatory Response.
A plasma protein that helps defend against invading microbes by tagging the microbe for phagocytosis, puncturing cell membranes, or triggering the formation of a mucous coating.
Complement Protein.
A lymphocyte, manufactured in the bone marrow and processes by the thymus gland, that identifies and attacks foreign substances.
T Cell.
A lymphocyte, made and processed in the bone marrow, that produces antibodies.
B Cell.
A port along a cell membrane into which hormones, nutrients, and other needed materials fit.
Receptor Site.
A T cell with receptors that bind to fragments of antigens.
Helper T Cell.
A protein produced by the T cells that acts as a chemical messenger between other T cells & B cells.
Lymphokine.
A T cell that destroys microbes, body cells infected with viruses, and mutated cells by puncturing membranes.
Killer T Cell.
A T cell that turns of the immune system.
Suppressor T Cell.
A B cell that retains information about the shap of an antigen.
Memory B Cell.
