Article Translations: (Spanish)
Take a look at your thumb and you'll see this: it's the light half-moon shape at the very bottom of your nail. Every nail has a lunula, but it's easiest to see them on thumbnails.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
© 1995-2017 KidsHealth ® All rights reserved. Images provided by iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and Clipart.com