This new resource introduces students and researchers to the fundamentals of pharmacology using easy-to-understand language to provide a solid background, and help readers develop a deeper understanding and appreciation of this important and evolving subject. Pharmacology is a branch of biology that studies the interaction of drugs and living organisms to better understand how they can affect biochemical function. Today, pharmacologists rely on genetics, molecular biology, and biochemistry to develop effective, personalized medicine. This alphabetically arranged book addresses a variety of topics related to basic principles and concepts, including: fields of study related to the topic; an Abstract that provides a brief, concrete summary of the topic; Key Concepts important to properly understanding the topic; Text that gives an explanation of the background and significance; Illustrations that clarify difficult concepts via models, diagrams, and charts; and Further Reading lists.