(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.
Flag of Marshall Islands. Background: The Marshall Islands consists of 29 atolls and 5 individual islands totaling about 1,225 islands and 870 reef systems scattered over 750,000 square miles of the Central Pacific.