| toxicodendron | A genus (formerly rhus) of shrubs, vines, or trees that yields a highly allergenic oleoresin which causes a severe contact dermatitis. The most toxic species are toxicodendron vernix (poison sumac), t. Diversilobum (poison oak), and t. Radicans (poison ivy). T. Vernicifera yields a useful varnish from which certain enzymes (laccases) are obtained. (12 Dec 1998) |
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| Rhus toxicodendron antigen | An extract of fresh leaves of poison ivy, with 0.4% of procaine hydrochloride; used by intradermal injection to determine sensitiveness to the poison of Rhus toxicodendron. (05 Mar 2000) |
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| dermatitis, toxicodendron | An allergic contact dermatitis caused by exposure to plants of the genus toxicodendron (formerly rhus). These include poison ivy, poison oak, and poison sumac, all plants that contain the substance urushiol, a potent skin sensitizing agent. (12 Dec 1998) |
Synonyms :
| Toxicodendron |
in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
Ãâó: wordnet.princeton.edu/perl/webwn
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| toxicodendron | in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch |
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| toxicodendron | poisonous shrub of the North American Pacific coast causing a rash on contact |
| toxicodendron | poisonous shrub of southeastern United States causing a rash on contact |
| toxicodendron | climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries |
| toxicodendron | small Asiatic tree yielding a toxic exudate from which lacquer is obtained |
| toxicodendron | smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries |
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