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Pharmacology is the science of drugs and medications, [1] including a substance's origin, composition, pharmacokinetics, pharmacodynamics, therapeutic use, and toxicology. More specifically, it is the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function. [ 2 ]
Protopanaxatriol (PPT) is an organic compound that is an aglycone of ginsenosides, a group of steroid glycosides. [1] It is a dammarane -type tetracyclic triterpene sapogenins found in ginseng ( Panax ginseng ) and in notoginseng ( Panax pseudoginseng ).
The action of drugs on the human body (or any other organism's body) is called pharmacodynamics, and the body's response to drugs is called pharmacokinetics.The drugs that enter an individual tend to stimulate certain receptors, ion channels, act on enzymes or transport proteins.
Beta blockers exert their pharmacological effect, decreased heart rate, by binding to and competitively antagonising a type of receptor called beta adrenoceptors. [1]In pharmacology, the term mechanism of action (MOA) refers to the specific biochemical interaction through which a drug substance produces its pharmacological effect. [2]
Topics of pharmacodynamics. Pharmacodynamics (PD) is the study of the biochemical and physiologic effects of drugs (especially pharmaceutical drugs).The effects can include those manifested within animals (including humans), microorganisms, or combinations of organisms (for example, infection).
Pharmaceutics deals with the formulation of a pure drug substance into a dosage form.Pure drug substances are usually white crystalline or amorphous powders. Before the advent of medicine as a science, it was common for pharmacists to dispense drugs as is.
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