Acute Exposure - A single exposure to a toxic substance which results in severe biological harm or death. Acute exposures are usually characterized as lasting no longer than a day, as compared to longer, continuing exposure over a period of time.
Acute exposure
Contact with a substance that occurs once or for only a short time (up to 14 days) [compare with intermediate duration exposure and chronic exposure].
Acute Exposure: One or a series of short-term exposures generally lasting less than 24 hours.
A acute exposure
Definition (english only)
A contact between an agent and a target occurring over a short time, generally less than a day.
Acute Exposure A single exposure via oral, dermal or inhalation to a toxic substance that may result in harm or death.
An acute exposure can result in short term or long term health effects. An acute effect happens within a short time after exposure. Ambient Surrounding. Ambient air usually means outdoor air (as opposed to indoor air).
In animal studies, acute exposure causes chloracne, weight loss, thymus gland effects and death. Long term exposure causes liver damage, weight loss, affects immune system and reproduction, disrupts hormone metabolism and normal development.
antonym acute exposure
Continued exposure or exposures occurring over an extended period of time, or a significant fraction of the test species' or of the group of individuals', or of the population's life-time.
Acute - Occurring over a short time, usually a few minutes or hours. An acute exposure can result in short term or long term health effects. An acute effect happens within a short time after exposure.
Cataract: A clouding and stiffening in the lens of the eye, which can be produced by long term or acute exposure to ultra-violet radiation. Cataracts can cause general deterioration of vision, loss of focus, or total blindness.
central nervous system The body's organ system that originates, sends, and receives electrical signals to control movement and action consisting of the brain and spinal cord. Acute exposures over 2, ...
a laboratory test for eight species meeting certain requirements may serve as a measure of effect for an assessment endpoint, such as survival of fish, aquatic, invertebrate or algal species under acute exposure.
 See also: Exposure, Liquid, Pollutant, Toxic, Risk
|
