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Hormesis

Definition of the noun Hormesis

What does Hormesis mean as a name of something?

noun

  1. stimulation by the use of a low concentration of a toxin

Explanation

Hormesis is the term for generally favorable biological responses to low exposures to toxins and other stressors. A pollutant or toxin showing hormesis thus has the opposite effect in small doses as in large doses. A related concept is Mithridatism, which refers to the willful exposure to toxins in an attempt to develop immunity against them. Hormetics is the term proposed for the study and science of hormesis.

  • also known as 毒物兴奋效应

Printed dictionaries and other books with definitions for Hormesis

Click on a title to look inside that book (if available):

Google previewAging is a Group-Selected Adaptation (2017)

Theory, Evidence, and Medical Implications by Joshua Mitteldorf

Hormesis is a property of biological systems, with no analog in physical systems. Compensation is a natural result of homeostasis, but over-compensation is an active process. Hormesis is an evolved system for actively maintaining ...

Google previewMitochondrial Signaling in Health and Disease (2012)

by Sten Orrenius, Lester Packer, Enrique Cadenas

Hormesis refers to the hypothesis that a low persistent level of ROS can activate the oxidative stress response and ultimately prevent oxidative damage during the aging process (Figure 14.2). Mitohormesis, or mitochondrial hormesis, is a ...

Google previewStrategies to Protect the Health of Deployed U.S. Forces (2000)

Assessing Health Risks to Deployed U.S. Forces -- Workshop Proceedings by National Research Council, Division on Earth and Life Studies, Commission on Life Sciences, Board on Environmental Studies and Toxicology

Because hormesis is a stimulatory effect at low doses of a toxic agent, it generally has the connotation of being “good.

Therefore, hormesis is an important consideration here because it occurs at low to very low doses and because, ...

Google previewFundamentals of Complementary and Alternative Medicine (2010)

by Marc S. Micozzi

Simply put, hormesis is a paradoxical effect of a toxic chemical or radiation at low dose (Trewavas et al, 2003). Stebbing (1982) defined hormesis as ...

Google previewPharmacology (2009)

Principles and Practice by Miles Hacker, William S. Messer, Kenneth A. Bachmann

Hormesis is a dose-response phenomenon characterized by low- dose stimulation and high-dose inhibition.

Google previewSignals and Images (1997)

Selected Papers from the 7th and 8th GIRI Meeting, held in Montpellier, France, November 20–21, 1993, and Jerusalem, Israel, December 10–11, 1994 by Madeleine Bastide

Hormesis is a very well known phenomenon which demonstrates the reverse toxic action of a substance which becomes a stimulating agent at a lower concentration. This was demonstrated with ponderal doses, the reversion ...

Google previewNuclear Cardiology Review (2012)

A Self-Assessment Tool by Wael A. Jaber, Manuel D. Cerqueira

Hormesis refers to a presumptive protective effect of exposure to low amounts of ionizing radiation, possibly on the basis of upregulation of molecular cell repair mechanisms. A deterministic effect of exposure to ionizing radiation ...

Google previewFundamentals of Space Medicine (2007)

by Gilles Clément

This beneficial effect of a low-level exposure to an agent that is harmful at higher levels is called hormesis. Obviously, the shielding technology needs improvement for interplanetary travel, but there may be a non-zero optimum value ...

Google previewMechanistic Toxicology (2007)

The Molecular Basis of How Chemicals Disrupt Biological Targets, Second Edition by Urs A. Boelsterli

Hormesis is a special bimodal form of dose-response in which the first phase (at low concentrations) causes beneficial effects, followed by a second phase (at higher concentrations) causing adverse effects and toxicity. The shape of a ...

Google previewAdaptive and Flexible Clinical Trials (2016)

by Richard Chin

The low-dose stimulation and high-dose inhibition phenomenon that generates U -shaped curves is called hormesis. For example, both very low and very high cholesterol levels are unhealthy. U-shaped curves also result when interventions ...

Google previewRevival: Biological Effects of Low Level Exposures to Chemical and Radiation (1992) (2017)

by Edward J. Calabrese

Hypothesis VI: Longevity hormesis is a response to a biologically nonessential, exogenous agent or stimulus that reversibly reduces ...

Google previewCell Survival Programs and Ischemia/Reperfusion (2013)

Hormesis, Preconditioning, and Cardioprotection by Maike Krenz, Christopher Baines, Theodore Kalogeris, Ronald Korthuis

Hormesis refers to a pattern of cellular responses to stressors whereby a beneficial effect (improved health, stress tolerance, growth or longevity) results from exposure to low doses of agents or intensi- ties of environmental factors that are ...

Google previewCancer Risk Assessment (2010)

Chemical Carcinogenesis, Hazard Evaluation, and Risk Quantification by Ching-Hung Hsu, Todd Stedeford

Hormesis is a theory that proposes that biological responses to chemicals at high versus low doses differ (see Chapter 7). High doses are associated with an inhibitory response due to overt toxicity, while low-dose responses are stimulatory ...

Google previewFundamentals of Radiation and Chemical Safety (2015)

by Ilya Obodovskiy

effect, is called hormesis. According to some authors, the term was introduced by C. Southam and J. Ehrlich in 1943.

Google previewModel Systems in Aging (2004)

by Heinz D. Osiewacz

Hormesis is a very widespread biological phenomenon in which low doses of substances or treatments are known to have beneficial or stimulatory effects while they can be harmful at higher doses. Experiments on worms ...

Google previewFood & Fitness: A Dictionary of Diet & Exercise (2017)

by Michael Kent

Figure Hormesis. Doseresponse curve of a treatment which is beneficial in low doses but harmful in high doses The term was first applied in toxicology to chemicals such as strychnine and arsenic, which at low concentrations can have ...

Google previewEncyclopedia of Environmetrics (2002)

by Abdel H. El-Shaarawi, Walter W. Piegorsch

Hormesis is a term used in toxicology and pharmacology to describe dose-response relationships in which there is a stimulatory response at low and an inhibitory response at higher doses. The shape of the dose-response curve is ...

Google previewEncyclopedia of Toxicology (2005)

by Bruce Anderson, Ann de Peyster, Shayne C. Gad, P.J. Bert Hakkinen, Michael Kamrin, Betty Locey, Harihara M. Mehendale, Carey Pope, Lee Shugart

Hormesis Elyisha A. Hanniman and Christopher J. Sinal Dalhousie University, Halifax,NS, Canada Introduction Hormesis is commonly defined as a beneficial or stimulatory effectcausedbyexposure to low doses of an agent known to ...

Google previewEncyclopedia of Quantitative Risk Analysis and Assessment (2008)

by Edward L. Melnick, Brian S. Everitt

then called the Arndt–Schulz law, later to be named hormesis in 1943 by forestry researchers at the University of Idaho based ...

Google previewDictionary of Pharmaceutical Medicine (2017)

by Gerhard Nahler

hormesis Biphasic dose- response where small doses of potentially noxious or toxic agents are beneficial, large doses harmful (pharmacological “hormetins”); this hypothesis was already ...

Google previewThe Encyclopedia of Aging (2013)

A Comprehensive Resource in Gerontology and Geriatrics by George L. Maddox

The hormesis ...

Google previewRadiological Sciences Dictionary: Keywords, names and definitions (2009)

by David Dowsett

histogram–hormesis. histogram (math) A chart which displays grouped data in which the area of each bar is proportional to the occurrence or frequency that it represents. histamine release (cm) The release of histamine from mast cells; ...

Google previewEncyclopaedic Dictionary of Biology (2003)

by S. Choudhary

homostylous 281 hormesis homostylous : Species in which the flowers have stigmas and anthers held at the same level relative to each other on all plants. Compare heterostyious. homo tropic effect : An effect where two identical ligands ...

Google previewThe Water Dictionary (2010)

A Comprehensive Reference of Water Terminology by Nancy E. McTigue, James M. Symons

hormesis A J- or U-shaped dose– response phenomenon. The hormesis concept challenges traditional views of a threshold dose for chemical toxicity. hormonally active agent (HAA) See endocrine ...

Google previewEncyclopedia of Imaging (2008)

by Albert L. Baert

The term hormesis is taken to be any stimulatory or beneficial effect, induced by low doses of an agent (in this case radiation), that can not be predicted by the extrapolation of detrimental or lethal effects induced by high doses of the same ...

Google previewBenders’ Dictionary of Nutrition and Food Technology (2006)

by D A Bender

See also hormesis; hypercalcaemia; reference intakes; ul. hypobaric storage Of fruits and vegetables, storage below atmospheric pressure to enhance loss of CO2 and ethylene, so slowing ripening. See also packaging, modified atmosphere.

Google previewDictionary of plant sciences (including horticulture) (1989)

by L. L. Somani

Hormesis. The stimulus given to an organism by a non-toxic concentration of a normally toxic substance. Hormone. An organic substance produced naturally in higher plants, controlling growth or other physiological functions at a site remote ...

Google previewA Dictionary of Environment and Conservation (2017)

by Michael Allaby, Chris Park

ergaster Homo habilis Homo neanderthalensis Homo sapiens homocentric homochromy homogeneity homogeneous homosphere homozygosity homozygous Hooke's law hoop‐net horizon hormesis hormone hormone disruptor horn horse.

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Video about Hormesis

Hormesis Meaning

Video shows what hormesis means. stimulation by the use of a low concentration of a toxin. Hormesis Meaning. How to pronounce, definition audio dictionary.

Scrabble value of H4O1R1M3E1S1I1S1

The value of this 8-letter word is 13 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

Anagrams of HORMESIS

What do you get if you rearrange the letters?

  • HEROISMS

See also the blanagrams of Hormesis!

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