toxicity marked by a long duration that produces an adverse effect on organisms; the end result can be death, although the usual effects are sublethal (e.g., inhibition of reproduction or growth)
Capacity for a pesticide to produce injury following chronic exposure or to produce effects which persist whether or not they occur immediately upon exposure or are delayed. (after Duffus, 1993)
Adverse effects of a chemical on an organism as a result of long-term exposure to a relatively small amount of the chemical. Often, chronic effects become evident only many days or weeks of repeated or continuous exposure. [compare to acute toxicity
The quality or potential of a substance to cause injury or illness after repeated exposure to small doses over an extended period of time. (See acute toxicity.)
Effects that persist over a long period of time whether or not they occur immediately or are delayed. The term "chronic toxicity" is often confused with that of chronic exposure and is often used to describe delayed toxicity.
the ability of a hazardous substance to cause injury or death to an organism resulting from repeated or constant exposure to the hazardous substance over time.( MTCA, p 14)
The long-term toxicity of a product in small, repeated doses. Chronic toxicity can often take many years to determine.
A toxic effect which occurs after repeated or prolonged exposure. Chronic effects may occur some time after exposure has ceased.
Adverse health effects resulting from repeated or long-term exposure to toxic materials.
Adverse effects occurring as a result of repeated dosing of an agent on a daily basis, or exposure to that agent, for a large part of an organism’s lifespan, usually more than 50%.
the long-term, harmful effects arising from repeated exposure to relatively small amounts of a toxin over a prolonged time period.
The slow or delayed onset of an adverse effect, usually from multiple, long-term exposures. Chronic toxicity of a compound is not an indicator of its acute effects.
Response of an organism to repeated, long-term exposure to a chemical substance. Typical observed endpoints include growth and reproduction.
The ability of a substance to cause long-term poisonous human health effects.
Exposure that will result in sublethal response over a long term, often one-tenth of the life span or more.
toxic effects on tissues such as those of the liver, kidneys, or reproductive organs.
The effects of repeated, long-term exposure to a substance.
Adverse health effects from repeated doses of a toxic chemical or other toxic substance over a relatively prolonged period of time, generally greater than one year.
long-term toxicity effects, generally assessed over the lifetime of test animals to gauge late-in-life signs of toxicity
effects of repeated or long-term exposure to a substance.
Effects of pesticide or chemical substance that occur as a result of repeated exposure to sub-acute toxicity doses. Long-term health effects associated with repeated exposure.
An adverse effect that lingers or continues for a relatively long period of time. A chronic effect can be lethality, growth, reduced reproduction, etc. Chronic toxicity is defined as TUc = 100/NOEC or TUc = 100/ECp (or 100/ICp). Note: chronic means long.
Results produced in test animals exposed for long periods to chemicals.
An adverse effect where symptoms develop slowly over a long period of time.
The capacity of a substance to cause long-term poisonous health effects in humans, animals, fish, and other organisms.
Refers to health effects that occur or persist after a long-term repeated exposure to a toxic substance (months or years). Usually this refers to a low-dose exposure (see acute and sub-chronic toxicity for comparison).
An assessment conducted over the lifetime of the test animals to see if the chemical exposure results in late-in-life toxicity.
The capacity of a substance to cause adverse human health effects as a result of chronic exposure.
Chronic toxicity is a property of a substance that has toxic effects on a living organism, when that organism is exposed to the substance continuously or repeatedly. Compared with acute toxicity.