a measured portion of medicine taken at any one time
Study of harmful chemicals and their effects on the body
data that reveals how an organism responds to various doses
50% of the organisms are affected but do not die from the treatment
1/2 of the organisms die as a result of the dose
change from a solid directly to a gas
A method of measurement in which sucessive 1:10 dilutions are made from the original sample
a toxic substance that occurs in nature
a structure, organ or tissue to which something is directed
mechanism of action
the means by which a drug produces an action leading to an effect
risk, particularly of being exposed to disease or toxic substance
Substance not produced by the living organism and which is not normally found in the living thing (foreign chemical)
route of exposure
The way in which an organism encounters a toxin
a short contact with a harmful substance
repeated contact with a harmful substance
The process of determining the strength and quality of a drug by testing it on an animal or on an isolated organ.
the selective absorption and concentration of molecules by cells
any substance that causes injury or illness or death of a living organism
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