Infection: 1  Fungus or yeast cause changes in the color, texture, and shape of the nails. 2  Bacterial infection may cause a change in nail color or painful areas of infection under the nail or in the surrounding skin. 3  Viral warts may cause a change in the shape of the nail or ingrown skin under the nail. 4  Certain infections (especially of the heart ...
Columbia, Maryland. Columbia is a principal city within the Baltimore metropolitan area, located in Howard County, Maryland. It is a planned community consisting of 10 self-contained villages. It began with the idea that a city could enhance its residents' quality of life.
The District of Columbia is the US federal district containing Washington, DC, the national capital. It is located on the Potomac River between Maryland and Virginia, about 25 â¦ miles west of Chesapeake Bay and 30 miles SW of Baltimore, Maryland.5 people found this useful.he District of Columbia is not located within any state. It is an area unto iteslf which sits north of the Potomac River that used to be part of Maryland. Originally, the Dis â¦ trict of Columbia consisted of a part of Maryland north of the Potomac and a part of Virginia south of the Potomac.