(April 2014) Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers.
The U.S. Virgin Islands quarter is the fifth in the 2009 District of Columbia and U.S. Territories Quarters Program. These islands, located in the Caribbean Sea east of Puerto Rico, were explored by Christopher Columbus in 1493.
The Republic of the Marshall Islands includes 29 atolls and five islands in the central Pacific Ocean. Atolls are reefs, or chains, of coral that surround a lagoon (a shallow area of water). The countryâs capital is on Majuro Atoll.