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 on KidsHealth® is for educational purposes only.
For specific medical advice, diagnoses, and treatment, consult your doctor.
Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock,