A defamatory statement is a false statement of fact that exposes a person to hatred, ridicule, or contempt, causes him to be shunned, or injures him in his business or trade.
Definition of pharmacology. 1  1 : the science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. 2  2 : the properties and reactions of drugs especially with relation to their therapeutic value.
Two Primary Branches of Pharmacology. The two major branches of pharmacology are: pharmacodynamics and pharmacokinetics. Pharmacodynamics-The study of the relationship between concentrations of drug and the biologic effects (physiological or biochemical) with time.In operational terms âwhat drugs do to the bodyâ.xamples of multiple mechanisms for drug action include: chemical interactions with other molecules due to a drugs acidic or basic properties (e.g. antacids, or Protamine sulfate-a heparin antagonist), their ability to act as a membrane surfactant (amphotericin B), or their ability to denature proteins (astringents).