A callus is an especially toughened area of skin which has become relatively thick and hard as a response to repeated contact or pressure. In botany, the term is also used to announce a condition of thickened surfaces of leaves or other plant parts. Since repeated contact is required, calluses are most often found on hands or feet. Calluses are generally not harmful, but may sometimes lead to other problems,...
Callused skin can refer to any area of the body where the skin becomes hard and thick, but calluses usually occur on different areas of the hands and feet. Corns...