Polycythemia Vera. This slow-developing disease occurs when bone marrow produces too many red blood cells, which can lead to thickening of the blood. The condition is thought to be caused in part by a mutation in a gene called JAK2, which regulates the production of various types of blood cells, keeping them in proper balance.
Hilly landscapes and cathedrals dominate much of Andalusia, Spain. The Iberian Peninsula, predominately occupied by the European countries of Spain and Portugal, lies in southwestern Europe. With an area of 582,000 square kilometers, its is the third largest peninsula in the continent.
The Map showing where is Spain located on the world map. The given Spain location map shows that Spain is located in the south-western part of Europe continent. Spain map also shows that Spain is located on the Iberian Peninsula.The country Spain shares its international boundaries with France and Andorra in the north and Portugal in the west.Besides, Bay of Biscay lies in the north, Atlantic Ocean in the north-west and south-west, Mediterranean Sea in the east, and in the south, Gibraltar Strait separates Spain from Africa continent.esides, Bay of Biscay lies in the north, Atlantic Ocean in the north-west and south-west, Mediterranean Sea in the east, and in the south, Gibraltar Strait separates Spain from Africa continent.