Corns and calluses are related problems to blisters on the skin. 1  Corn: A build-up of hard skin near a bony area of a toe or between toes. Corns may be caused by pressure from shoes that rub against the toes or cause friction between them.  Callus: A build-up of hard skin, usually on the underside of the foot.
Dayton, Kentucky. Dayton is a home rule-class city along a bend of the Ohio River in Campbell County, Kentucky, in the United States. The population was 5,338 at the 2010 census. It is less than 3 miles (5 km) from downtown Cincinnati, Ohio.
Dayton is a city in Yamhill County, Oregon, United States. The population was 2,119 at the 2000 census. As of July 2007 its estimated population was 2,495. The city was founded in 1850 by Andrew Smith and Joel Palmer. Palmer, who also served as superintendent of Indian affairs for Oregon, built a flour mill there. Dayton was named for Smith's hometown, Dayton, Ohio. Dayton post office was opened in 1851, with Christopher Taylor serving as postmaster. There are many historic landmarks throughout the city.