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What's a Lunula?

en español

Lúnula

Lunula

Say: LOON-yuh-luh

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.

A KidsHealth Education Partner Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

Images sourced by The Nemours Foundation and Getty Images.