A patch test is a method used to determine whether a specific substance causes allergic inflammation of a patient`s skin. Any individual suspected of having allergic contact dermatitis and/or atopic dermatitis needs patch testing. Patch testing helps identify which substances may be causing a delayed-type allergic reaction in a patient, and may i....
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http://en.wikipedia.org/wiki/Patch_test
[finite elements] The patch test in the finite element method is a simple indicator of the quality of a finite element, developed by Bruce Irons. The patch test uses a partial differential equation on a domain consisting from several elements set up so that the exact solution is known. Typically, in mechanics, the prescribed exact solution ...
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http://en.wikipedia.org/wiki/Patch_test_(finite_elements)
Test for allergic sensitivity in which a suspected allergen is applied to the skin on a small surgical pad. Note: Patch tests may be used to detect exposure to pesticides.
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http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryp.html
controlled application of biological or chemical substances to the skin in order to detect if the subject has an allergic hypersensitivity to one of ...
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http://www.britannica.com/eb/a-z/p/27
Skin test for diagnosing contact eczemas.
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http://www.encyclo.co.uk/local/20667
A test of skin sensitiveness: a small piece of paper, tape, or a cup, wet with CO non-irritating diluted test fluid, is applied to skin of the upper back or upper outer arm and after 48 hours the area previously covered is compared with the uncovered surface; an erythematous reaction with vesicles occurs if the substance causes contact allergy. ......
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http://www.encyclo.co.uk/local/20973
the simplest type of skin test for hypersensitivity. A small piece of gauze or filter paper is impregnated with a minute quantity of the substance to be tested and is applied to the skin, usually on the forearm. After a certain length of time the patch is removed and the reaction observed. If there is no reaction, the tes...
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http://www.encyclo.co.uk/local/21001
a method by which a specified volume of fluid is filtered through a membrane filter of known pore structure. All particulate matter in excess of an 'average size,' determined by the membrane characteristics, is retained on its surface. Thus, the membrane is discolored by an amount proportional to the particulate level of the fluid sample. Visually ...
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http://www.encyclo.co.uk/local/21121
Type: Term Definitions: 1. a test of skin sensitiveness: a small piece of paper, tape, or a cup, wet with nonirritating diluted test fluid, is applied to skin of the upper back or upper outer arm and after 48 hours the covered is compared with the uncovered surface; an erythematous reaction with vesicles occurs if the substance causes contact aller...
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http://www.medilexicon.com/medicaldictionary.php?t=90714
See Did You Know for details
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http://www.sherrayorganiccosmetics.com/did-you-know/beauty-skincare-glossar
[
n] - a test to determine allergic sensitivity by applying small pads soaked with allergen to the unbroken skin
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http://www.webdictionary.co.uk/definition.php?query=patch%20test
noun a test to determine allergic sensitivity by applying small pads soaked with allergen to the unbroken skin
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https://www.encyclo.co.uk/local/20974
A test performed usually with a hair dye, or other potential allergens, on the skin 24 hours before its use to see if the skin suffers an allergic reaction.
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https://www.goodsalonguide.com/community/hair-and-beauty-glossary
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