A herniated disc may be caused by: 1  Wear and tear of the disc. As you age, your discs dry out and aren't as flexible. 2  Injury to the spine. This may cause tiny tears or cracks in the hard outer layer of the disc.
Definition of wart. 1a : a horny projection on the skin usually of the extremities produced by proliferation of the skin papillae and caused by any of numerous human papillomaviruses âcalled also verruca vulgarisb : any of numerous similar skin lesions not caused by viruses.
Warts are small growths caused by a viral infection of the skin or mucous membrane. This virus infects the epidermis (surface) layer, and are contagious, easily passing from person to person. Warts can also pass from one body part to another. Common warts are hand warts, foot warts, and flat warts. Hand warts frown around the fingers (specifcally the nails) and on the backs of hands. They appears mostly in areas where the skin may be 'broken'.