(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.
U.S. Virgin Islands. 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.
U.S. Virgin Islands â In 1917, the United States purchased the Danish half of the Virgin Islands chain and U.S. citizenship was conferred to Virgin Islanders in 1927. Located in the Caribbean Sea, three islands make up this territory: St. Thomas, St. Croix, and St. John.