| D008070 |
Lipopolysaccharides |
Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed) |
Lipopolysaccharide,Lipoglycans |
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| D008585 |
Meningitis, Meningococcal |
A fulminant infection of the meninges and subarachnoid fluid by the bacterium NEISSERIA MENINGITIDIS, producing diffuse inflammation and peri-meningeal venous thromboses. Clinical manifestations include FEVER, nuchal rigidity, SEIZURES, severe HEADACHE, petechial rash, stupor, focal neurologic deficits, HYDROCEPHALUS, and COMA. The organism is usually transmitted via nasopharyngeal secretions and is a leading cause of meningitis in children and young adults. Organisms from Neisseria meningitidis serogroups A, B, C, Y, and W-135 have been reported to cause meningitis. (From Adams et al., Principles of Neurology, 6th ed, pp689-701; Curr Opin Pediatr 1998 Feb;10(1):13-8) |
Meningitis, Neisseria,Neisseria Meningitis,Meningitis, Meningococcal, Serogroup A,Meningitis, Meningococcal, Serogroup B,Meningitis, Meningococcal, Serogroup C,Meningitis, Meningococcal, Serogroup W-135,Meningitis, Meningococcal, Serogroup W135,Meningitis, Meningococcal, Serogroup Y,Meningitis, Meningococcic,Meningococcal Meningitis, Serogroup A,Meningococcal Meningitis, Serogroup B,Meningococcal Meningitis, Serogroup C,Meningococcal Meningitis, Serogroup W-135,Meningococcal Meningitis, Serogroup W135,Meningococcal Meningitis, Serogroup Y,Serogroup A Meningococcal Meningitis,Serogroup B Meningococcal Meningitis,Serogroup C Meningococcal Meningitis,Serogroup W-135, Meningococcal Meningitis,Serogroup W135, Meningococcal Meningitis,Serogroup Y, Meningococcal Meningitis,Meningococcal Meningitis,Meningococcal Meningitis, Serogroup W 135,Neisseria Meningitides,Serogroup W 135, Meningococcal Meningitis |
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| D008958 |
Models, Molecular |
Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures. |
Molecular Models,Model, Molecular,Molecular Model |
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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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| D010587 |
Phagocytosis |
The engulfing and degradation of microorganisms; other cells that are dead, dying, or pathogenic; and foreign particles by phagocytic cells (PHAGOCYTES). |
Phagocytoses |
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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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| D003429 |
Cross Reactions |
Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. |
Cross Reaction,Reaction, Cross,Reactions, Cross |
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| D004797 |
Enzyme-Linked Immunosorbent Assay |
An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. |
ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked |
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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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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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