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Medical Term:

anular ligament of radius


the ligament that encircles and holds the head of the radius in the radial notch of the ulna, forming the proximal radioulnar joint and enabling pronation and supination of forearm; receives the radial collateral ligament of the elbow.

Synonym(s): ligamentum anulare radiiTA, ligamentum orbiculare radii, orbicular ligament of radius

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.