Chapter 12 Flashcards
the shedding of the outermost membrane or layer of a tissue, such as the skin.
desquamated
the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
immunitites
an enzyme that catalyzes the destruction of the cell walls of certain bacteria, occurring notably in tears and egg white.
lysozyme
forgein material in the body
nonself
the network of vessels through which lymph drains from the tissues into the blood. ex thymus nodes spleen
lymphatic system
blood drawn directly from the body from which none of the components, such as plasma or platelets, has been removed.
whole blood
the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended
plasma
the production of blood cells and platelets, which occurs in the bone marrow.
hemopoiesis/hematopoesis
white blood cells WBC
leukocytes
general purpose phagocytes that react early in inflammatory response to bacteria and other foreign materials to damaged tissues
neutrophils
a large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell, especially at sites of infection.
macrophages
a large phagocytic white blood cell with a simple oval nucleus and clear, grayish cytoplasm
monocyte
1 chemotaxis 2 adhesion 3 engulfment 4 phagosome formation 5 phagolysosome formation and killing 6 destruction 7 elimintaion
phagocytosis
1 injury 2 vascular reactions 3 edema/ pus 4 resolution/scar
inflammation steps
any of a number of substances, such as interferon, interleukin, and growth factors, that are secreted by certain cells of the immune system and have an effect on other cells.
cytokines