What is vehicle administration for rats in psychology and medical studies?

Are the vehicles mices injected with nothing but placebo.What is vehicle administration for rats in psychology and medical studies?
In scientific experiments, a vehicle is ';a substance, usually fluid, possessing little or no medicinal action, used as a medium for active remedies.';





So, the vehicle is used to facilitate the injection of substances into the rats.





A vehicle can be used to facilitate the administration of a placebo as well as an active substance.What is vehicle administration for rats in psychology and medical studies?
great answer

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