Callus Skin is Different

Biology
[caption id="attachment_21280" align="alignright" width="440"] Rhino Horn[/caption] You work hard  when you dig with a shovel or chop wood. The result of rubbing and friction on the hands is callus skin. Calluses may result due to poorly fitting footwear. Carpenters, mechanics, and plumbers have calluses on fingers and palms. What exactly is a callus? Keratinocytes The skin of the palms is about 0.8 to 1.4 millimeters thick. That is some ten times the thickness of other skin. Plantar skin (the skin of the soles of the feet) also can be thick and keratinized. In this process ordinary skin changes into keratinocytes—a horny layer that protects underlying layers. Keratin - Elsewhere in Nature Repeat friction and rubbing stimulate production of tough, fibrous protein called keratin, which toughens skin. Keratin is strengthened by…
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