The document discusses medical terms related to the integumentary system. It provides examples of common word roots used to form medical terms referring to skin, nails, pigmentation, and cells. Word roots discussed include dermat/o for skin, -derma for skin, onych/o for nails, melan/o for black, and leuk/o for white. For each root, an example medical term is given along with a brief definition. Other terms using the same root are also listed.