See 'lethal dose'.

See Median Effective Dose

Lethal Dose, 50%. Refers to the dosage of a given drug required to kill 50% of a test population. The LD50 is usually measured in units of mass of drug per units of body mass; for example, mg/kg. This [..]

Sometimes used to describe the percentage of a woman's brain that is missing. The root of this comes from the abbreviation LD50 or Lethal Dose required to kill half of a population. In this ca [..]

Dose required to kill 50% of laboratory test animals.

Dose required to kill 50% of laboratory test animals.

Lethal Dose (that kills 50% of the test species)

Lethal dose 50%; the dose of a drug at which half the treated animals will die. See Figure 4.8.

toxicology - lethal dosage that kills 50 percent of the test organisms within the exposure period of the bioassay

The value of a given experimental variable required to cause 50% mortality

the dose of a chemical that is estimated to be fatal to 50% of the population of a particular organism (usually based on laboratory tests under specified conditions), usually expressed as milligram pe [..]

This abbreviation is used for the dose of a toxic substance lethal to 50% of a test population. See median lethal dose.

The dose amount of poisonous or toxic substance or dose of Ionizing Radiation required to kill 50% of the tested Population.

A lethal dose for 50 percent of the test animals.

Median lethal dose

 a dose of a substance that produces death in 50% of a population of experimental animals. It is usually expressed as milligrams per kilogram (mg/kg) of body weight. This term is used when the exposur [..]