Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Ulna

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Ulna: The larger of the two long bones within the forearm. (The smaller one is the radius.) The ulna is on the same side of the arm as the little finger.

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