dioxin


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Related to dioxin: digoxin, furan

dioxin

 [di-ok´sin]
a highly toxic and teratogenic chlorinated hydrocarbon that is a trace contaminant in the herbicides2,4,5-T and agent orange.

di·ox·in

(dī-oks'in),
1. A ring consisting of two oxygen atoms, four CH groups, and two double bonds; the positions of the oxygen atoms are specified by prefixes, as in 1,4-dioxin.
2. Abbreviation for dibenzo[b,e][1,4]dioxin which may be visualized as an anhydride of two molecules of 1,2-benzenediol (pyrocatechol), thus forming two oxygen bridges between two benzene moieties, or as a 1,4-dioxin with a benzene ring fused to catch each of the two CH=CH groups.
3. A contaminant in the herbicide, 2,4,5-T; it is potentially toxic, teratogenic, and carcinogenic.

dioxin

/di·ox·in/ (-ok´sin) any of the heterocyclic hydrocarbons present as trace contaminants in herbicides; many are oncogenic and teratogenic.

dioxin

(dī-ŏk′sĭn)
n.
Any of several carcinogenic, mutagenic, and teratogenic polychlorinated heterocyclic aromatic hydrocarbons that can occur as impurities in petroleum-derived herbicides and as byproducts of manufacturing chemicals and burning fuels and waste.

dioxin

[dī·ok′sin]
a contaminant of the herbicide 2,4,5-trichlorophenoxyacetic acid, widely used throughout the world in forestry, on grassland, against woody shrubs and trees on industrial sites, and for rice and sugarcane weed control. Because of its toxicity it is no longer manufactured in the United States. Exposure to dioxin is associated with chloracne and porphyria cutanea tarda. Dioxin was a contaminant of the jungle defoliant Agent Orange sprayed by the U.S. military aircraft over areas of Southeast Asia from 1965 to 1970. Also called 2,3,7,8-tetrachlorodibenzo-para-dioxin.
Any of a family of highly toxic chlorinated hydrocarbons in which 2 benzene rings are linked by 2 O2 atoms, which includes dibenzodioxins and dibenzofurans
Lab Increased PT, increased lipid levels

dioxin

Toxicology Any of a family of highly toxic chlorinated hydrocarbons Clinical In humans, intense chronic exposure causes weight loss, myalgias, insomnia, dyspnea, cold intolerance, irritability, peripheral neuropathy, hepatomegaly, hemorrhagic cystitis, chloracne, actinic elastosis, loss of libido, impotence Lab ↑ PT, ↑ lipid levels. See Agent Orange, Times Beach.

di·ox·in

(dī-ok'sin, dī-ok'sin)
1. A ring consisting of two oxygen atoms, four CH groups, and two double bonds; the positions of the oxygen atoms are specified by prefixes, as in 1,4-dioxin.
2. A contaminant in the herbicide, 2,4,5-T; its potential toxicity, carcinogenicity, and teratogenicity are controversial.

dioxin

a chemical byproduct of the manufacture of certain herbicides and bactericides, particularly tetrachlorodibenzo-paradioxin (TCDD), which is extremely toxic.

Dioxin

A toxic chemical found in weed killers that has been linked to the development of endometriosis.
Mentioned in: Endometriosis

dioxin

a highly toxic and teratogenic chlorinated hydrocarbon that is a trace contaminant in the herbicide 2,4,5-T. Acute poisoning causes vomiting, abortion, anestrus. Chronic poisoning causes liver damage, especially in dogs. Congenital defects caused include cranio-facial deformity and anasarca. It is excreted in the milk.
References in periodicals archive ?
When fish and shellfish ingest small particles of sediment, dioxin builds up in their fat or organs.
Haraguchi's team examined levels of dioxins as well as dibenzofuran and coplanar polychlorinated biphenyl, which have a toxicity similar to that of dioxins, in 38 types of whale and dolphin meat that were sold in Japan last year and earlier this year.
Michalek, the Air Force project leader, himself told New York Times science writer Gina Kolata, "We know diabetes is highly related to body fat, and so is dioxin.
More people are living more affluently, stoking the industrial engines that produce dioxin and other pollutants.
One form of dioxin was in Agent Orange, the defoliant used by U.
A few weeks ago the VWA informed Feedinfo News Service that the dioxin was initially detected in egg samples taken under the Dutch national residue control plan for products of animal origin.
Dioxins are a group of chemicals formed during combustion processes, such as waste incineration and are known to increase the likelihood of cancer with long term exposure.
Tests on some of the contaminated pork products revealed 200 times the recognized safety limits for dioxins set by the U.
What about the dioxin emissions during the time after this sample was extracted and before the results were known?
Another study conducted at the Fukuoka Institute of Health and Environmental Sciences in Japan suggests that chlorophyll may inhibit dioxin absorption from the gastrointestinal tract.
The report, along with many other studies on herbicide and dioxin exposure, will be reviewed by the National Academy of Sciences.