Chronic myeloproliferative diseases. Chronic myeloproliferative diseases are caused by an overabundance of differentiated bone marrow cells that result in the accumulation of erythrocytes, granulocytes, monocytes or platelets. Polycythemia Vera. This condition is marked by an overproduction of RBCs.
Isabela Island, Galapagos. Isabela lies in the heart of the Galapagos Islands. Hidden past the horizon, the archipelago's largest island keeps pure, protected and distant from the ingenuity of man.
By Amanda Briney. The Galapagos Islands are an archipelago located about 621 miles (1,000 km) from the continent of South America in the Pacific Ocean. The archipelago is composed of 19 volcanic islands that are claimed by Ecuador.