Annular ligament of radius

Joints and ligaments · Latin: Ligamentum anulare radii

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The annular ligament (orbicular ligament) is a strong band of fibers that encircles the head of the radius, and retains it in contact with the radial notch of the ulna.

Per Terminologia Anatomica, the spelling is "anular", but the spelling "annular" is frequently encountered.

Definition from Wikipedia, CC BY-SA 4.0.