classical pathway

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• Classical complement pathway — The classical and alternative complement pathways. The Classical pathway of activation of the complement system is a group of blood proteins that mediate the specific antibody response. The main activators of the Classical Pathway are antigen… …   Wikipedia

• Classical conditioning — This dog was fitted with a cannula to measure the amount of salivation when presented with a certain stimulus, Pavlov Museum, 2005 Classical conditioning (also Pavlovian or respondent conditioning, Pavlovian reinforcement) is a form of… …   Wikipedia

• classical complement pathway — The antibody dependent pathway of complement activation; it leads to the lysis of pathogens and stimulates phagocytosis and other host defenses …   Dictionary of microbiology

• Alternative complement pathway — The classical and alternative complement pathways. Alternative pathway …   Wikipedia

• alternative complement pathway — An antibody independent pathway of complement activation that includes the C3 C9 components of the classical pathway and several other serum protein factors (e.g., factor B and properdin) …   Dictionary of microbiology

• lectin pathway — a pathway of complement activation initiated in the absence of antibody by the binding of mannose binding lectin (MBL) to carbohydrates on the surface of microorganisms. MBL in turn activates complement component C4; the rest of the steps are the …   Medical dictionary

• classical complement pathway — the enzymatic cascade containing all the components of complement, C1 through C9, primarily activated by the binding of C1 to antigen antibody complexes containing IgM, IgG1, IgG2, or IgG3. See illustration at complement. The term is sometimes… …   Medical dictionary

• Mannan-binding lectin pathway — Natta projection of mannose in its α D mannopyranose form. Mannan is a polymer of mannose. The Mannan binding lectin pathway (also known simply as the Lectin Pathway) is similar in structure to the classical complement pathway,[1] …   Wikipedia

• Non-mevalonate pathway — The non mevalonate pathway or 2 C methyl D erythritol 4 phosphate/1 deoxy D xylulose 5 phosphate pathway (MEP/DOXP pathway) of isoprenoid biosynthesis is an alternative metabolic pathway leading to the formation of isopentenyl pyrophosphate (IPP) …   Wikipedia

• Wnt signaling pathway — The Wnt signaling pathway describes a complex network of proteins most well known for their roles in embryogenesis and cancer, but also involved in normal physiological processes in adult animals.cite journal | author = Lie DC, Colamarino SA,… …   Wikipedia

• alternative complement pathway — a pathway of complement activation initiated by a variety of factors other than those initiating the classical complement pathway, including IgA immune complexes, bacterial endotoxins, microbial polysaccharides, and cell walls. It does not… …   Medical dictionary