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.
The main causes of sweaty and smelly feet are: 1  Wearing the same shoes every day. 2  Poor personal hygiene. 3  Hormonal changes can cause feet to sweat more, so teenagers and pregnant women are especially prone. 4  If you are stressed.  A condition called hyperhidrosis, which causes you to sweat more than usual.