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Related to chelation: EDTA


adj. Zoology
Having chelae or resembling a chela.
n. Chemistry
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.
tr.v. che·lat·ed, che·lat·ing, che·lates
1. Chemistry To combine (a metal ion) with a chemical compound to form a ring.
2. Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA.

che′lat·a·ble adj.
che·la′tion n.
che′la′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Chemistry) chem the process by which a chelate is formed
2. (Zoology) animal husbandry the process by which trace elements in an animal's feed are bonded to amino acids, ensuring their absorption into the animal's body
3. (Physical Geography) geology the chemical removal of metallic ions in a mineral or rock by weathering
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(kiˈleɪ ʃən)

1. the process of chelating.
a. a method of removing certain heavy metals from the bloodstream, used esp. in treating lead or mercury poisoning.
b. a controversial treatment for arteriosclerosis that attempts to remove calcium deposits from the inner walls of the coronary arteries.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chelation - (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques
2.chelation - the process of forming a ring by forming one or more hydrogen bonds
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n quelación f; — therapy terapia quelante
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
A Chelation therapy is used to remove heavy metals, such as mercury, arsenic, and lead, from the body with a solution such as ethylenediaminetetraacetic acid (EDTA), which is usually administered intravenously.
His sharp mind combined with kindness, his scientific approach to chelation therapy and other methods such as the hyperbaric oxygen treatment made a lasting impression.
The organization also caters to transfusion and iron chelation needs of 270 registered thalassemic patients free of cost.
Poison Centers do not provide information regarding the chelation of barium centers.
Chelation therapy was started with calcium ethylenediaminetetraacetate.
A new kind of peripheral transfusion system for iron chelation that does not allow iron toxicity in patients has been the main reasons for reduction of mortality.
In Beta Thalassemia Major (BTM) patients the frequency of hypothyroidism ranges from 6 to 30 % among various countries depending on chelation strategies [2].
Another medication the GP, Dr David O'Connell, offers is a home treatment for children called chelation. This injection is licensed only for extreme cases of heavy metal poisoning, such as lead poisoning.
By clearing the bloodstream using a combination of intravenous supplements including hydrogen peroxide, chelation and vitamins, majority of the patients of Rapha Health have been restored to good health.
On day 3 of chelation therapy, we noted a high body lead burden, as indicated by an increased urinary lead excretion up to 1853 [micro]g/dL/24 h.
Conclusion: The study demonstrates hypothyroidism in a significant number of hyper transfused b- thalassemic patients, emphasizing the importance of monitoring thyroid functions in thalassemic patients, particularly in those receiving suboptimal chelation.
He now comes back to India for follow-up Chelation therapy as the treatment though available is many centres in USA in many times more expensive there.