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).
Size. 1  Class I (palpation goitre): in normal posture of the head, it cannot be seen; it is only found by palpation. 2  Class II: the goitre is palpable and can be easily seen. 3  Class III: the goitre is very large and is retrosternal; pressure results in compression marks.