INTRODUCTORY DEFINITIONS 



PHARMACOLOGY is that science which treats of medicines. 



Alateria Meclica is that branch of Pharmacology concerned with the origin and 

 composition of drugs, together with their physical and chemical properties, and their 

 dosage. Some brief reference to their therapeutic application is advisedly included. 



Pharmacopseclics is that branch of Pharmacology concerned with "the science of 

 medicinal drugs and the art of their preparation." It is quite distinct from Pharmacy, 

 which includes the collection, preservation, identification, compounding, and dispensing 

 of drugs. Pharmacopjedics deals with the various forms under which medicines are 

 dispensed, together with their relative strengths, ingredients of compounds, relative 

 availability and desirability. It is of much importance to the physician that he know 

 the nature of the powerful tools he will later be called upon to use. 



Pharmacodynamics is that branch of Pharmacology concerned with the manner 

 in, and degree to which, living tissue reacts to drugs. 



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