Negative electrode of an electrotherapy device; usually black and is marked with an N or a minus (-) sign.

Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.

Flow of electricity along a conductor.

Positive electrode of an electrotherapy device; usually red and is marked with a P or a plus (+) sign.

Process of fusing an acidic (positive) product into deeper tissues using galvanic current from the positive pole toward the negative pole.

Constant, even-flowing current that travels in one direction only and is produced by chemical means.

Switch that automatically interrupts or shuts off an electric circuit at the first indication of overload.

A form of anaphoresis; process used to soften and emulsify grease deposits (oil) and blackheads in the hair follicles.

The path of negative and positive electric currents moving from the generating source through the conductors and back to the generating source.

A color component within the skin such as blood or melanin.

Unit that measures the strength of an electric current.

Substances that speed up chemical reactions.

Any material that conducts electricity.

Rapid and interrupted current, flowing first in one direction and then in the opposite direction.