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The AC current density J in a conductor decreases exponentially from its value at the surface J S according to the depth d from the surface, as follows: [4]: 362 = (+) / where is called the skin depth which is defined as the depth below the surface of the conductor at which the current density has fallen to 1/e (about 0.37) of J S.
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The recurrence rate for EDC is considered by many (National Comprehensive Cancer Network) to be too high for use on many facial regions, and on recurrent skin cancer. [6] [7] As a surgical ulcer is created and is larger than the original tumor, healing time may be delayed and subsequent scarring obvious. [citation needed]
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
Galvanic skin resistance (GSR) is an older term that refers to the recorded electrical resistance between two electrodes when a very weak current is steadily passed between them. The electrodes are normally placed about an inch apart, and the resistance recorded varies according to the emotional state of the subject.
In Canada, the most common skin cancer is basal-cell carcinoma (as much as one-third of all cancer diagnoses), affecting 1 in 7 individuals over a lifetime. [66] This tumor accounts for approximately 70% of non-melanoma skin cancers. In 80 percent of all cases, basal-cell carcinoma affects the head or neck skin. [65]
High frequency does current convert some of the oxygen in the air surrounding the electrodes into ozone, the treatment has a germicidal action, and is also drying and warming. [32] Consequently, the treatment is used to aid healing and also to help desquamation (the skin's natural exfoliation) and stimulate sweat and sebaceous glands. [31]