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Medical Term:

collateral branches of posterior intercostal arteries 3–11


Definition: branch arising near angle of rib and descending to run along superior border of rib below; distribution: lower half of intercostal spaces 3–11; anastomoses: collateral branches of anterior intercostal arteries.

Synonym(s): ramus collateralis arteriarum intercostalium posteriorum III–XITA

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