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