Sources of arm pain are numerous, affecting the muscles, tendons, ligaments, and bones of the arm, shoulder, elbow, wrist, hand, and fingers. If youâre experiencing a strange pain, tenderness, or numbness in your arm, and you donât know why, consider the following 10 common causes of arm painâ¦. ADVERTISEMENT.
abrasion. n. 1. the process of scraping or wearing down by friction. 2. a scraped area or spot; graze. 3. (Physical Geography) geography the effect of mechanical erosion of rock, esp a river bed, by rock fragments scratching and scraping it; wearing down. Compare attrition 4, corrasion.
1. the wearing away of a substance or structure, such as the skin or teeth, through some unusual or abnormal process. 2. a wound caused by rubbing or scraping the skin or a mucous membrane; a âskinned kneeâ and a âfloor burnâ are common examples. To treat the injury, the wound should be washed, a mild antiseptic or antibiotic ointment applied, and the wound covered with sterile gauze. air abrasion a type of microabrasion in which a jet of air blows tiny particles against the tooth or cavity surface.