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.
Dry scalp causes itchy, flaky patches of skin on your scalp, which can fall out of your hair and onto your clothing when you scratch. You may notice a white powdery substance in your hair or on your clothing. According to MedicalNewsToday.com, dandruff can be caused by both dry and oily skin.