Abrasion: An abrasion or "excoriation" is a wearing away of the upper layer of skin as a result of applied friction force. In dentistry an "abrasion" is the wearing away of the tooth substance.
Quick GuideRosacea, Acne, Shingles: Common Adult Skin Diseases
Subscribe to MedicineNet's Skin Care & Conditions Newsletter
Skin Problems and Treatments Resources
Last Editorial Review: 5/13/2016