in medicine: the origins of pharmacognosy
Chapter 1 Plants in medicine the origins of pharmacognosy The universal role of plants in the treatment of disease is exemplified by their employment in all the major systems of…
scope and practice of pharmacognosy
Chapter 2 The scope and practice of pharmacognosy Until relatively recently pharmacognosy was regarded, almost exclusively, as a subject in the pharmaceutical curriculum focused on those natural products employed in…
nomenclature and taxonomy
Chapter 3 Plant nomenclature and taxonomy BOTANICAL NOMENCLATURE 8 SUBDIVISIONS OF THE PHYLA 8 BOTANICAL SYSTEMS OF CLASSIFICATION 9 TAXONOMIC CHARACTERS 9 CHEMICAL PLANT TAXONOMY 10 BOTANICAL NOMENCLATURE Before the…
and geographical sources of drugs
Chapter 4 Biological and geographical sources of drugs GEOGRAPHICAL SOURCES 16 Current estimates of the number of species of flowering plants range between 200 000 and 250 000 in some…
Chemotherapy: antiviral drugs
45 Chemotherapy antiviral drugs Questions What are the drug targets for antiviral agents? What are examples of different classes of antiviral drug? Viruses are intracellular organisms that invade eukaryotic cells…
Pharmacokinetics: absorption and distribution
3 Pharmacokinetics absorption and distribution Questions What factors govern drug absorption? What routes can be used for dosing? What factors govern drug distribution? Absorption Drugs can be administered by a…
Chemotherapy: anticancer agents
50 Chemotherapy anticancer agents Questions What do anticancer agents target? What are examples of different classes of anticancer agents? Chemotherapy for cancer can be used in isolation or as an…
Chemotherapy: antibiotics targeting cell wall and nucleic acid synthesis
43 Chemotherapy antibiotics targeting cell wall and nucleic acid synthesis Questions What are the targets for antibiotics? What problems occur with the β-lactam antibiotics? The term chemotherapy was initially used…
Chemotherapy: drugs for HIV
46 Chemotherapy drugs for HIV Questions Where do drugs target the HIV infective cycle? What are the problems with therapy for HIV? HIV belongs to a family of retroviruses where…
Angina pectoris
11 Angina pectoris Questions What is angina pectoris? How is it treated? Pathophysiology The coronary arteries provide myocardial smooth muscle with a rich blood supply to meet its oxygen demand….
