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Medical Term:

groove of first rib for subclavian artery


a groove immediately posterior to the scalene tubercle on the upper surface of the first rib across which the subclavian artery passes.

Synonym(s): sulcus arteriae subclaviae costae primaeTA, sulcus costae arteriae subclaviae

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