The aortic valve regulates the blood flow from the heart's lower-left chamber (the left ventricle) into the aorta. The aorta is the main vessel that supplies blood to the rest of the body. Two diseases of the aortic valve are regurgitation and stenosis.Aortic regurgitation. Aortic regurgitation is also called aortic insufficiency or aortic incompetence. It is a condition in which blood flows backward from a widened or weakened aortic valve into the heart's lower chamber (the left ventricle).he aortic valve regulates the blood flow from the heart's lower-left chamber (the left ventricle) into the aorta. The aorta is the main vessel that supplies blood to the rest of the body. Two diseases of the aortic valve are regurgitation and stenosis.
Fresno (/ËfrÉznoÊ/ FREZ-no (Spanish for ash tree) is a city in California, United States, and the county seat of Fresno County. It covers about 112 square miles (290 km2) in the center of the San Joaquin Valley, the southern portion of the California's Central Valley.
Fresno is an unincorporated community and census-designated place (CDP) in Fort Bend County, Texas, United States. The population was 19,069 at the 2010 census, up from 6,603 at the 2000 census. Fresno is located in the extra-territorial jurisdiction (ETJ) of Houston, which is the fourth largest city in the nation in population.