Definition of resistor. : a device that has electrical resistance and that is used in an electric circuit for protection, operation, or current control.
Other skin conditions that result in dry, thickened skin on the foot include athlete's foot (tinea pedis), leg vein problems (venous stasis), psoriasis, and skin rashes caused by allergy or irritants. A common cause of dry, scaly skin and accentuated skin lines on a child's feet is the condition atopic dermatitis. 1  Photos and descriptions of eczema, atopic dermatitis, contact dermatitis, and athlete's foot.  Physical Stress: The environment inside a shoe can get very hot -- sometimes well over 120 degrees.
1. Exogenous Causes. 1  Dry Skin is the most common and obvious cause of itchy soles of the feet. 2  The most likely cause is a lack of moisture in the skin. 3  This affects the elderly more than the younger members of the population and it is found more frequently during the colder winter months.