affinity — 1. In chemistry, the force that impels certain atoms to bind to or unite with certain others to form complexes or compounds; chemical attraction. 2. Selective staining of a tissue by a dye or the selective uptake of a dye, chemical, or other s … Medical dictionary
Original antigenic sin — Original antigenic sin, also known as the Hoskins effect,[1] refers to the propensity of the body s immune system to preferentially utilize immunological memory based on a previous infection when a second slightly different version, of that… … Wikipedia
Original antigenic sin — Die Antigenerbsünde (eng.: original antigenic sin) bezeichnet ein Phänomen der antiviralen Immunantwort. Kommen Individuen, die zuvor schon einmal mit einer Virusvariante infiziert wurden, mit einer zweiten Variante diese Virus in Kontakt, so… … Deutsch Wikipedia
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA … Universalium
Hemoglobin-based oxygen carriers — At the beginning of 20th century excellent work of Landsteiner and co authors combine with significant progress in fields of heart and circulation physiology initiated development of modern transfusion medicine allowing that blood transfusion… … Wikipedia
Haemoglobin-based oxygen carriers — Hemoglobin based oxygen carriers are one of two main types of oxygen carrying blood substitutes in development, the other one being perfluorocarbon emulsions. As of June 2008 there are no haemoglobin based oxygen carriers or perfluorocarbon… … Wikipedia
H5N1 genetic structure — is the molecular structure of the H5N1 virus s RNA.H5N1 is an Influenza A virus subtype. Experts believe it might mutate into a form that transmits easily from person to person. If such a mutation occurs, it might remain an H5N1 subtype or could… … Wikipedia
Superantigen — [ thumb|Figure 1. Schematic of Superantigen stimulation compared to normal antigen presentation and activation [2] .] Superantigens (SAgs) are secreted proteins (exotoxins) that exhibit highly potent lymphocyte transforming (mitogenic) activity… … Wikipedia
Immunosenescence — refers to the gradual deterioration of the immune system brought on by natural age advancement. It involves both the host’s capacity to respond to infections and the development of long term immune memory, especially by vaccination [ cite… … Wikipedia