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Related to delayed hypersensitivity: Delayed Hypersensitivity Skin Test


1. Highly or excessively sensitive.
2. Responding excessively to the stimulus of a foreign agent, such as an allergen.

hy′per·sen′si·tive·ness, hy′per·sen′si·tiv′i·ty n.
hy′per·sen′si·tize′ (-tīz′) v.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


extreme or abnormal sensitivity, as to criticism. — hypersensitive, adj.
See also: Psychology
extreme or abnormal sensitivity, as to criticism. — hypersensitive, adj.
See also: Attitudes
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hypersensitivity - pathological sensitivity
predisposition, sensitivity - susceptibility to a pathogen
cryaesthesia, cryesthesia - hypersensitivity to cold
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
2.hypersensitivity - extreme sensitivity
sensitivity, sensitiveness, sensibility - (physiology) responsiveness to external stimuli; the faculty of sensation; "sensitivity to pain"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n hipersensibilidad f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
In vivo patch tests provide a low-risk method for reproducing delayed hypersensitivity with moderate reexposure of patients to suspected offending drugs [187].
What do mast cells have to do with delayed hypersensitivity? Lab Invest 1984; 50 (4):365-8.
While an undisturbed oral mucosa with normal salivation is characterized by a certain resistance and regeneration ability, decreased saliva production, microbial mucosal colonization, mechanical trauma and long-term exposure to irritation and allergen like substances disrupt its barrier function and create conditions for the development of a delayed hypersensitivity (77).
(86) These three groups are typical not of IgE-mediated hay fever but of late and delayed hypersensitivity.
The response by the immune system to nickel is usually a Type IV cell mediated delayed hypersensitivity also called an allergic contact dermatitis.
Delayed hypersensitivity and nonspecific cellular immunity.
Of them, type 1 reaction is delayed hypersensitivity reaction that occurs predominantly in borderline leprosy and is characterized clinically by inflammation and enlargement of existing plaques, often with neuritis.
Intradermal skin testing with flea allergen may reveal wheal formation with immediate and delayed hypersensitivity. Dogs with atopic dermatitis appear to be predisposed to the development of flea allergy dermatitis (Kwocka, 1987).
Mast cells are known to take part in the allergic reaction of antigen-antibody complex and to play a role in type IV hypersensitivity, often called delayed hypersensitivity (Pytskiy, Adrianova and Artomasova, 1991).
Scalarone, "Detection of antibodies and delayed hypersensitivity with Rotofor preparative IEF fractions of Blastomyces dermatitidis yeast phase lysate antigens," Journal of Medical and Veterinary Mycology, vol.
Mango is also known to rarely cause delayed hypersensitivity reaction with redness, soreness and inflammation of the skin and puffiness of the eyes.
It is fundamental to allogeneic- and synergeneic-graft rejection, graft-versus-host reactions and the delayed hypersensitivity reactions [10,21].

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