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.
A plantar wart is a wart that occurs on the sole (plantar) of the foot, most often on the parts of the sole that receive pressure when standing or walking. Because of this pressure, plantar warts are often flat or grow inward.Plantar warts can appear alone or in a cluster (mosaic warts). Plantar warts are usually small. They tend to grow slowly and can eventually penetrate deep enough into the skin to cause discomfort or pain.arts are an infection of the skin caused by the human papillomavirus (HPV). The virus enters the body through a break in the skin (such as a cut) and then forms a rough bump on the surface of the skin. Warts are benign (non-cancerous) growths.