| irritant d. |
a nonallergic type of contact dermatitis due to exposure to a substance that damages the skin. Called also primary irritant d. Cf. allergic contact d.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| irritant p. |
acrid p.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| irritant |
If occurring naturally can be a minute snail, worm, fish, crab or other small particle. If introduced by man, usually a piece of mantle (membranous part that secretes nacre and covers the inner shell surface) for freshwater pearls. For those from the sea, usually the irritant is a shell bead (often from the Mississippi River) along with a bit of oyster mantle tissue.
출처: www.karipearls.com/pearl-glossary.html
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| irritant |
Small parasite or particle which catalyzes the pearl-growing process. Can be naturally occurring or artificially inserted.
출처: www.altobelli.com/html/gemstone_glossary.html
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| irritant |
substances that cause tissue inflammation or soreness upon absorption, inhalation, or ingestion.
출처: campus.umr.edu/ehs/Chemical_Inventory_System/gloss...
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