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posterior border of ulna


Definition: the sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from near the olecranon to the styloid process, demarcating the “anterior” (flexor) from “posterior” (extensor) compartments of forearm.

Synonym(s): margo posterior ulnaeTA

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.