- histamine flare
- noun
: an allergic tissue reaction to histamine manifested by local flushing of the skin
Useful english dictionary. 2012.
Useful english dictionary. 2012.
histamine flare test — (for leprosy and postherpetic neuralgia) a drop of 1:1000 histamine acid phosphate solution is placed on the skin and a needle puncture is made through it; the test is positive if there is no erythema flare when the puncture is made within the… … Medical dictionary
histamine test — 1. histamine flare t. 2. any of several formerly common gastric function tests in which histamine was injected to stimulate gastric secretion and measure output of gastric acid; see also augmented histamine test. 3. a formerly used test for… … Medical dictionary
Histamine antagonist — A histamine antagonist, commonly referred to as antihistamine, is a pharmaceutical drug that inhibits action of histamine by blocking it from attaching to histamine receptors. Contents 1 Clinical effects 2 Clinical: H1 and H2 receptor antagonists … Wikipedia
Histamine — Substance that plays a major role in many allergic reactions. Histamine dilates blood vessels and makes the vessel walls abnormally permeable. * * * A vasodepressor amine derived from histidine by histidine decarboxylase and present in ergot and… … Medical dictionary
flare — 1. A gradual tapering or spreading outward. 2. A diffuse redness of the skin extending beyond the local reaction to the application of an irritant; it is due to dilation of the arterioles and capillaries; depends upon an axon reflex set up by the … Medical dictionary
histamine — n. a compound derived from the amino acid histidine. It is found in nearly all tissues of the body, associated mainly with the mast cells. Histamine has pronounced pharmacological activity, causing dilation of blood vessels and contraction of… … The new mediacal dictionary
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test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … 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
Mast cell — Mast cells Latin mastocytus Code TH … Wikipedia