Taxonomic Notes: While subspecies taxonomy of Elephas maximus has varied among authors, the most recent treatment (Shoshani and Eisenberg 1982) recognizes three subspecies: E. m. indicus on the Asian mainland, E. m. maximus on Sri Lanka, and E. m. sumatranus on the Indonesian island of Sumatra.
How Does It Work? Avapro is part of a class of drugs called angiotensin II receptor blockers. As the name implies, the drug blocks angiotensin II receptors. This decreases the effectiveness of a chemical known as angiotensin II, which normally causes blood vessels to narrow (constrict).
Classification of antiplatelet agents. The figure below shows how antiplatelet drugs can be classified according to their mechanism of action. Drug classes include: ADP antagonists (Thienopyridines), COX-1 inhibitors (the only member of this class is aspirin), phosphodiestherase inhibitors and GPIIb/IIIa antagonists. Classification of antiplatelet agents.