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.
Santa Isabel Island. 1  Topographical map of Santa Isabel. 2  U.S. Navy Douglas SBD-3 Dauntless dive bombers of scouting squadron VS-6 en route to attack the Japanese seaplane base at Rekata Bay, Santa Isabel Island, AugustâSeptember 1942.