AIMatMelanoma.org
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Glossary


K

  • Keloid - A thick, irregular scar that grows beyond the boundaries of the original wound. It is caused by excessive connective tissue growth at the site of an incision or wound.
  • Keratin - A group of proteins that is a primary component of the skin. There are 20 different kinds of keratin, produced by different cells based on the function of the cells. Keratins are resilient proteins that give the outer layers of the skin its toughness.
  • Keratinocytes - Keratin-producing cells; the outer layer of skin cells and the most abundant cells in the epidermis.