Poison ivy 'leaves of three, let it be!'.
نویسنده
چکیده
Virginia Cooperative Extension programs and employment are open to all, regardless of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. An equal opportunity/affirmative action employer. Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Rick D. Rudd, Interim Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; Alma C. Hobbs, Administrator, 1890 Extension Program, Virginia State, Petersburg. publication 426-109
منابع مشابه
Sequencing and De Novo Assembly of the Toxicodendron radicans (Poison Ivy) Transcriptome
Contact with poison ivy plants is widely dreaded because they produce a natural product called urushiol that is responsible for allergenic contact delayed-dermatitis symptoms lasting for weeks. For this reason, the catchphrase most associated with poison ivy is "leaves of three, let it be", which serves the purpose of both identification and an appeal for avoidance. Ironically, despite this not...
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Poison ivy (Toxicodendron radicans) is a woody vine with compound leaves comprised of three leaflets. The margins of the leaflets may either be smooth, toothed or lobed. Several subspecies morphologically similar with the plant exist through the world. The plant produces clusters of small, green flowers in June or July. The fruits are small, white berries. Many bird species use the fruit as foo...
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Poison ivy, Toxicodendron radicans, and poison oaks, T. diversilobum and T. pubescens, are perennial woody species of the Anacardiaceae and are poisonous, containing strong allergens named urushiols that cause allergic contact dermatitis. Poison ivy is a species distributed from North America to East Asia, while T. diversilobum and T. pubescens are distributed in western and eastern North Ameri...
متن کاملThe Relation of Chemical Structure in Catechol Compounds and Derivatives to Poison Ivy Hypersensitiveness in Man as Shown by the Patch Test
1. Additional evidence is presented in support of the view which postulates a close chemical and biologic relation between the active ingredients in poison ivy and Japan lac. 2. Biologic evidence, based on the use of the patch test in man, is presented in support of the view that the active ingredient in poison ivy is a catechol derivative with a long, unsaturated side-chain in the 3-position. ...
متن کاملPrevention of poison ivy dermatitis with oral homeopathic Rhus toxicodendron.
Acute allergic contact dermatitis to poison ivy is acommon and miserable dermatosis which affectsmillions of Americans each year. Preventativemeasures, such as avoidance, protective clothing,barrier creams, soaps, and solvents often fail despiteour patients' best attempts. Severe allergic reactionsto poison ivy are a significant source of decreasedemployee productivity owing to inability to wor...
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ورودعنوان ژورنال:
- School nurse news
دوره 20 3 شماره
صفحات -
تاریخ انتشار 2003