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.
What is Warts? A horny skin lump which can occur on just about any part of the body including the genitals but is more common on the hands an feet. Warts are ...more Â» Warts: Lumpy growths under the skin. Warts: Introduction Types of Warts: Types of Warts: Common warts Plantar warts - on the soles of the feet Juvenile warts Genital warts; Hand warts