After reading this essay you will learn about:- 1. Definition of Pharmacology 2. Historical Developments of Pharmacology 3. Stages of History of Development 4. Branches 5. Records. Essay on the Definition of Pharmacology: Pharmacology consists of two Greek Words-Pharmakon = Drug and Logos = Study and may be defined as follows: (i) Pharmacology is the science that deals with drugs. [...]
Kinetic 'order' is a term which simply means that the various processes are ranked in order of increasing complexity. The important kinetic processes which are concerned are those governing the entry of the drug into the blood, its distribution in body tissues, and its elimination from the blood by metabolism and excretion. Such processes are generally of 'zero-order' or 'first-order'. [...]
This article throws light upon the three main routes of drug administration. The routes are: 1. Topical or External Application 2. Oral or Enteral Route 3. Parenteral Route (Injection). Route # 1. Topical or External Application: The drugs administration by this route generally affects to the part to which they are applied. However, some drugs applied topically are absorbed from [...]