The document discusses various terms relating to the integumentary system. It defines terms such as derma (skin), erythroderma (red skin), leukoderma (white skin), vitiligo (loss of skin pigment), melan/o (black), melanoma (black tumor), and melanocyte (pigment-producing cell). It also discusses terms formed by combining the root dermat/o (skin) with suffixes like -itis (inflammation) and -osis (abnormal condition), such as dermatitis (skin inflammation) and dermatosis (abnormal skin condition). Finally, it defines the terms onych/o (nail), onychomalicia (softening