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Immune System Processes

Categorical breakdown of terms falling inder the category of Immune System Processes. Sub categories will become more specific in nature to the terms listed for Immune System Processes.

Sub-Categories

Terms

Agglutination - The clumping together of suspended material resulting from the action of AGGLUTININS....

Antibody Affinity - A measure of the binding strength between antibody and a simple hapten or antigen determinant. It de...

Antibody Formation - The production of ANTIBODIES by proliferating and differentiated B-LYMPHOCYTES under stimulation by ...

Antibody-Dependent Cell Cytotoxicity - The phenomenon of antibody-mediated target cell destruction by non-sensitized effector cells. The id...

Antibody-Dependent Enhancement - Enhancement of viral infectivity caused by non-neutralizing antibodies. There are at least two mecha...

Antigen Presentation - The process by which antigen is presented to lymphocytes in a form they can recognize. This is perfo...

Antigen-Antibody Reactions - The processes triggered by interactions of ANTIBODIES with their ANTIGENS....

Antigenic Modulation - Loss of detectable antigen from the surface of a cell after incubation with antibodies. This is one ...

Binding Sites, Antibody - Local surface sites on antibodies which react with antigen determinant sites on antigens. They are f...

Clonal Anergy - Functional inactivation of T- or B-lymphocytes rendering them incapable of eliciting an immune respo...

Clonal Deletion - Removal, via CELL DEATH, of immature lymphocytes that interact with antigens during maturation. For ...

Complement Activation - The sequential activation of serum COMPLEMENT PROTEINS to create the COMPLEMENT MEMBRANE ATTACK COMP...

Complement Pathway, Alternative - Complement activation initiated by the interaction of microbial ANTIGENS with COMPLEMENT C3B. When C...

Complement Pathway, Classical - Complement activation initiated by the binding of COMPLEMENT C1 to ANTIGEN-ANTIBODY COMPLEXES at the...

Complement Pathway, Mannose-Binding Lectin - Complement activation triggered by the interaction of microbial POLYSACCHARIDES with serum MANNOSE-B...

Cross Reactions - Serological reactions in which an antiserum against one antigen reacts with a non-identical but clos...

Cross-Priming - Class I-restricted activation of CD8-POSITIVE LYMPHOCYTES resulting from ANTIGEN PRESENTATION of exo...

Cross-Priming - Class I-restricted activation of CD8-POSITIVE LYMPHOCYTES resulting from ANTIGEN PRESENTATION of exo...

Cytotoxicity, Immunologic - The phenomenon of target cell destruction by immunologically active effector cells. It may be brough...

Gene Rearrangement, alpha-Chain T-Cell Antigen Receptor - Ordered rearrangement of T-cell variable gene regions coding for the alpha-chain of antigen receptor...

Gene Rearrangement, beta-Chain T-Cell Antigen Receptor - Ordered rearrangement of T-cell variable gene regions coding for the beta-chain of antigen receptors...

Gene Rearrangement, B-Lymphocyte - Ordered rearrangement of B-lymphocyte variable gene regions coding for the IMMUNOGLOBULIN CHAINS, th...

Gene Rearrangement, B-Lymphocyte, Heavy Chain - Ordered rearrangement of B-lymphocyte variable gene regions of the IMMUNOGLOBULIN HEAVY CHAINS, ther...

Gene Rearrangement, B-Lymphocyte, Light Chain - Ordered rearrangement of B-lymphocyte variable gene regions coding for the kappa or lambda IMMUNOGLO...

Gene Rearrangement, delta-Chain T-Cell Antigen Receptor - Ordered rearrangement of T-cell variable gene regions coding for the delta-chain of antigen receptor...

Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor - Ordered rearrangement of T-cell variable gene regions coding for the gamma-chain of antigen receptor...

Gene Rearrangement, T-Lymphocyte - Ordered rearrangement of T-cell variable gene regions coding for the antigen receptors....

Graft Rejection - An immune response with both cellular and humoral components, directed against an allogeneic transpl...

Graft Survival - The survival of a graft in a host, the factors responsible for the survival and the changes occurrin...

Graft vs Host Reaction - An immunological attack mounted by a graft against the host because of tissue incompatibility when i...

Graft vs Leukemia Effect - Immunological rejection of leukemia cells following bone marrow transplantation....

Graft vs Tumor Effect - Immunological rejection of tumor tissue/cells following bone marrow transplantation....

Hemagglutination - The aggregation of ERYTHROCYTES by AGGLUTININS, including antibodies, lectins, and viral proteins (H...

Hemolysis - The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemic...

Histamine Release - The secretion of histamine from mast cell and basophil granules by exocytosis. This can be initiated...

Histocompatibility - The degree of antigenic similarity between the tissues of different individuals, which determines th...

Histocompatibility, Maternal-Fetal - The degree of antigenic similarity between tissues of the mother and those of the FETUS. Maternal-fe...

Host vs Graft Reaction - The immune responses of a host to a graft. A specific response is GRAFT REJECTION....

Immune Evasion - Methods used by pathogenic organisms to evade a host's immune system....

Immune System Processes - Mechanisms of action and interactions of the components of the IMMUNE SYSTEM....

Immune Tolerance - The specific failure of a normally responsive individual to make an immune response to a known antig...

Immunogenetic Processes - GENETIC PROCESSES involved in establishing immunity....

Immunoglobulin Class Switching - Gene rearrangement of the B-lymphocyte which results in a substitution in the type of heavy-chain co...

Immunologic Capping - An energy dependent process following the crosslinking of B CELL ANTIGEN RECEPTORS by multivalent li...

Immunologic Surveillance - The theory that T-cells monitor cell surfaces and detect structural changes in the plasma membrane a...

Immunomodulation - Alteration of the immune system or of an immune response by agents that activate or suppress its fun...

Lymphocyte Activation - Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cell...

Lymphocyte Cooperation - T-cell enhancement of the B-cell response to thymic-dependent antigens....

Macrophage Activation - The process of altering the morphology and functional activity of macrophages so that they become av...

Neuroimmunomodulation - The biochemical and electrophysiological interactions between the NERVOUS SYSTEM and IMMUNE SYSTEM t...

Neutrophil Activation - The process in which the neutrophil is stimulated by diverse substances, resulting in degranulation ...

Neutrophil Infiltration - The diffusion or accumulation of neutrophils in tissues or cells in response to a wide variety of su...

Passive Cutaneous Anaphylaxis - An evanescent cutaneous reaction occurring when antibody is injected into a local area on the skin a...

Phagocytosis - The engulfing of microorganisms, other cells, and foreign particles by phagocytic cells (PHAGOCYTES)...

Rh Isoimmunization - The process by which fetal Rh+ erythrocytes enter the circulation of an Rh- mother, causing her to p...

Self Tolerance - The normal lack of the ability to produce an immunological response to autologous (self) antigens. A...

Somatic Hypermutation, Immunoglobulin - A programmed mutation process whereby changes are introduced to the nucleotide sequence of immunoglo...

Sperm Agglutination - Agglutination of spermatozoa by antibodies or autoantibodies....

Tachyphylaxis - Rapidly decreasing response to a drug or physiologically active agent after administration of a few ...

Transplantation Immunology - A general term for the complex phenomena involved in allo- and xenograft rejection by a host and gra...

Transplantation Tolerance - An induced state of non-reactivity to grafted tissue from a donor organism that would ordinarily tri...

Tumor Escape - The ability of tumors to evade destruction by the IMMUNE SYSTEM. Theories concerning possible mechan...