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Medical Term:

radial groove


the shallow groove that passes around the shaft of the humerus; it lies between the humeral attachments of the lateral and medial heads of the triceps brachii; the radial nerve and deep brachial artery course within the groove.

Synonym(s): sulcus nervi radialisTA, groove for radial nerve, musculospiral groove, spiral groove

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