Pharmacology is derived from the Greek word pharmakon, and the logy means study of", "knowledge of" Which is deal with the study of drug action, where a drug can be generally defined as any man-made, natural, or endogenous (within the body) molecule which produces a biochemical or physiological effect on the cell, tissue, organ, of an organism. Precisely, it is the study of the actions that causes between a living organism and chemicals that affect normal or abnormal biochemical function. If substances have Therapeutic properties, they can be called as pharmaceuticals.
Pharmacology comprises drug composition and properties, synthesis and drug design, molecular and cellular mechanisms, systems mechanisms, signal transduction, molecular diagnostics, interactions, toxicology, chemical biology, therapy, and medical applications and anti-pathogenic capabilities. The two main parts of pharmacology are pharmacodynamics and pharmacokinetics. Pharmacodynamics studies the effects of the drug on biological systems and the pharmacokinetics studies the effects of biological systems on the drug. pharmacodynamics describes the chemicals with biological receptors, and pharmacokinetics describes the absorption, distribution, metabolism, and excretion (ADME) of chemicals from the biological systems. Pharmacology also deals with the research, discovery and description of chemicals which show biological effects and the illumination of cellular and organismal function in relation to these chemicals.
Last date updated on April, 2024
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