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.
A corneal abrasion is a superficial scratch on the clear, protective window at the front of your eye (cornea). Your cornea can be scratched by contact with dust, dirt, sand, wood shavings, metal particles, contact lenses or even the edge of a piece of paper.