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28 Cards in this Set

  • Front
  • Back
inflammation
a reaction of the microcirculation characterized by mvmt of fluid and leukocytes from blood to extravascular tissues
edema
increase in extravascular fluid
effusion
excess fluid in the cavities of the body
exudate
edema fluid with high protein content
transudate
edema fluid with low protein content
serous
effusion/exudate with absence of cellular response components
serosanguinous
effusion/exudate with RBCs
fibrinous
exudate with lg. amts. of fibrin from activation of coagulation system
purulent
effusion/exudate with prominent cellular components
suppurative
purulent exudate accompanied by significant liquefactive necrosis
vasoactive mediators
cellular components that influence responses by microvasculature to injury
platelet
peripheral blood component arising from bone marrow that plays a primary rold in the intiation and regulation of clot formation
mast cell
cell with CT containing receptors for IgE, when stimulated by an antigen, a variety of inflammatory mediators are secreted into extracellular tissues
complement system
a group of 20 plasma proteins that are a source of vasoactive mediators and play an important role in host defense against bacterial infection
anaphylatoxins
products of complement activation which have potent effects of smooth muscle contraction and vascular permeability
bacterial opsonization
process by which a specific molecule binds to the surface of a bacterium
cellular recruitment
second phase of acute inflammatory response, involves the accumulation of leukocytes at sites of tissue injury
chemotaxis
mvmt of cells in response to chemicals
cytokine
a group of low molecular weight chemotactic (involved in mvmt of cells) proteins secreted by cells at sites of inflammation
phagocytosis
process of recognizing, internalizing, and digesting foreign material or the debris of injured cells
lysosomal enzymes
enzymes involved in intracellular degradation of phagocytosed material
neutropenia
an abnormally small presence of circulating PMN leukocytes in peripheral blood
macrophage
a pivotal cell in regulating the rxns that lead to chronic inflammation, a source of both inflammatory and immunologic mediators
plasma cells
lymphoid cells that are the primary source of antibodies
lymphocytes
involved in both humoral and cell-mediated immune reponses
eosinophils
cells often involved in allergic rxns and parasitic infestations
epithelioid cells
macrophages that have undergone characteristic changes in response to chronic inflammation
leukocytosis
an increase in the numbers of circulating leukocytes commonly accompanying acute inflammation