In the context of electrology, what does the term 'diathermy' refer to?

The term 'diathermy' specifically refers to the therapeutic application of heat generated by high-frequency electromagnetic currents to body tissues. In electrology, this method focuses on heating tissue to destroy hair follicles, which interferes with their ability to produce hair. The process involves using electrical currents to generate heat within the tissue, allowing for the effective treatment of unwanted hair by damaging the follicle's ability to regrow.

The other choices refer to different techniques used in hair removal or skin treatment. Freezing tissue relates to cryotherapy, which uses extreme cold to eliminate hair or other tissue. Pulsating light therapy pertains to methods like intense pulsed light (IPL), which involves using light energy, not electrical currents, to target hair follicles. Chemical hair removal involves substances that dissolve hair at the skin surface, which is distinctly different from the thermal method described in diathermy.