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.
Genital warts are one of the most common kinds of STDs (sexually transmitted diseases) or STIs (sexually transmitted infections). A genital wart is an infection of the skin, in genital or anal area, as well as the mucous membranes of the rectum, cervix and vagina.