- tuberculin-type hypersensitivity
- delayed h.
Medical dictionary. 2011.
tuberculin-type hypersensitivity
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Type IV hypersensitivity — Classification and external resources MeSH D006968 Type IV hypersensitivity is often called delayed type hypersensitivity as the reaction takes two to three days to develop. Unlike the other types, it is not antibody mediated but rather is a type … Wikipedia
hypersensitivity — Abnormal sensitivity, a condition in which there is an exaggerated response by the body to the stimulus of a foreign agent. See allergy. contact h. 1. SYN: contact dermatitis. 2. SYN: delayed reaction. delayed h. 1 … Medical dictionary
Tuberculin — is the name given to extracts of Mycobacterium tuberculosis, M. Bovis, or M. avium , used in skin testing in animals and humans to identify a tuberculosis infection [Tizard, I. R. (2004). Veterinary immunology: an introduction, seventh edition.… … Wikipedia
type IV — a reaction of cell mediated immunity, the immune response being initiated by antigen specific T lymphocytes; in contrast to the reactions of immediate hypersensitivity, reactions take one or more days to develop and can be transferred by… … Medical dictionary
delayed hypersensitivity — de·layed hypersensitivity di .lād n hypersensitivity (as in a tuberculin test) which is mediated by T cells and in which the typical symptoms of inflammation and induration appear in an individual previously exposed to an antigen after an… … Medical dictionary
delayed hypersensitivity reaction — a reaction of cell mediated immunity, named in contrast to immediate hypersensitivity reactions because its onset is 24 to 72 hours after the antigenic challenge; the term is usually used to denote the subset of type IV hypersensitivity reactions … Medical dictionary
immune system disorder — Introduction Disorders of the immune systemany of various failures in the body s defense mechanisms against infectious organisms (see table (Disorders of the immune system)). Disorders of immunity include immune deficiency diseases, such… … Universalium
reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… … Medical dictionary
QuantiFERON — is the registered trademark of two tests for tuberculosis or latent tuberculosis, manufactured by Cellestis Limited, Carnegie, Victoria, Australia. These are interferon γ release assays used in tuberculosis diagnosis. QuantiFERON TB QuantiFERON… … Wikipedia
Margatoxin — (MgTX) is a peptide that selectively inhibits Kv1.3 voltage dependent potassium channels. It is found in the venom of Centruroides margaritatus, also known as the Central American Bark Scorpion. Margatoxin was first discovered in 1993. It was… … Wikipedia
