anaphylaxis

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Related to cutaneous anaphylaxis: Passive transfer anaphylaxis, acquired anaphylaxis

an·a·phy·lax·is

 (ăn′ə-fə-lăk′sĭs)
n.
A sudden, usually systemic allergic reaction, characterized by vasodilation resulting in decreased blood pressure, smooth muscle contraction resulting in shortness of breath, and hives, caused by hypersensitivity induced by a secondary exposure to a foreign substance, such as a drug or protein, after an initial sensitizing exposure.


an′a·phy·lac′tic (-lăk′tĭk), an′a·phy·lac′toid (-toid) adj.
an′a·phy·lac′ti·cal·ly adv.

anaphylaxis

(ˌænəfɪˈlæksɪs) or

anaphylaxy

n
(Medicine) extreme sensitivity to an injected antigen, esp a protein, following a previous injection
[C20: from ana- + (pro)phylaxis]
ˌanaphyˈlactic, ˌanaphyˈlactoid adj
ˌanaphyˈlactically adv

an•a•phy•lax•is

(ˌæn ə fəˈlæk sɪs)

n.
a hypersensitive reaction to an allergen, as a severe bout of hay fever, the rapid appearance of wheals, or profound physiological changes and shock.
[1905–10; ana- + (pro) phylaxis]

anaphylaxis

extreme sensitivity to an antigen, causing secretion of histamine and attendant adverse reactions, sometimes fatal. — anaphylactic, adj.
See also: Disease and Illness
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anaphylaxis - hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
drug - a substance that is used as a medicine or narcotic
anaphylactic shock - a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure
hypersensitivity reaction - an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock
Translations

an·a·phy·lax·is

n. anafilaxis, hipersensibilidad, reacción alérgica extrema.

anaphylaxis

n anafilaxia, anafilaxis f
References in periodicals archive ?
Anti-allergic activity of CXT was evaluated by passive cutaneous anaphylaxis test (PCA); acetic acid-induced writhing tests were used to evaluate the analgesic effects of CXT; acetic acid-induced vascular permeability tests were performed to evaluate anti-inflammatory effect of CXT.
1 g/kg) significantly inhibited passive cutaneous anaphylaxis (P<0.
To this end, IgG antibody responses are measured using enzyme-linked immunosorbent assays (ELISAs), and IgE antibody responses are measured using homologous passive cutaneous anaphylaxis (PCA) assays (Figure 2).
The objective of the study was to test the effect of the Microcyn Technology on a murine (mouse) model of atopic dermatitis, by evaluating the reduction of passive cutaneous anaphylaxis (PCA) reaction after a single, as well as repetitive, topical applications of the technology.
Anti-allergic actions of rottlerin were evaluated in passive cutaneous anaphylaxis and passive systemic anaphylaxis mouse models, and in anaphylactic contraction of bronchial rings isolated from sensitized guinea pigs.

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