| D007109 |
Immunity |
Nonsusceptibility to the invasive or pathogenic effects of foreign microorganisms or to the toxic effect of antigenic substances. |
Immune Process,Immune Response,Immune Processes,Immune Responses,Process, Immune,Response, Immune |
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| D007239 |
Infections |
Invasion of the host organism by microorganisms or their toxins or by parasites that can cause pathological conditions or diseases. |
Infection,Infection and Infestation,Infections and Infestations,Infestation and Infection,Infestations and Infections |
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| D009895 |
Opsonin Proteins |
Proteins that bind to particles and cells to increase susceptibility to PHAGOCYTOSIS, especially ANTIBODIES bound to EPITOPES that attach to FC RECEPTORS. COMPLEMENT C3B may also participate. |
Opsonin,Opsonin Protein,Opsonins,Protein, Opsonin |
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| D001770 |
Blood Bactericidal Activity |
The natural bactericidal property of BLOOD due to normally occurring antibacterial substances such as beta lysin, leukin, etc. This activity needs to be distinguished from the bactericidal activity contained in a patient's serum as a result of antimicrobial therapy, which is measured by a SERUM BACTERICIDAL TEST. |
Activities, Blood Bactericidal,Activity, Blood Bactericidal,Bactericidal Activities, Blood,Bactericidal Activity, Blood,Blood Bactericidal Activities |
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| D003165 |
Complement System Proteins |
Serum glycoproteins participating in the host defense mechanism of COMPLEMENT ACTIVATION that creates the COMPLEMENT MEMBRANE ATTACK COMPLEX. Included are glycoproteins in the various pathways of complement activation (CLASSICAL COMPLEMENT PATHWAY; ALTERNATIVE COMPLEMENT PATHWAY; and LECTIN COMPLEMENT PATHWAY). |
Complement Proteins,Complement,Complement Protein,Hemolytic Complement,Complement, Hemolytic,Protein, Complement,Proteins, Complement,Proteins, Complement System |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000906 |
Antibodies |
Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS). |
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| D000917 |
Antibody Formation |
The production of ANTIBODIES by proliferating and differentiated B-LYMPHOCYTES under stimulation by ANTIGENS. |
Antibody Production,Antibody Response,Antibody Responses,Formation, Antibody,Production, Antibody,Response, Antibody,Responses, Antibody |
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