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first and second posterior intercostal arteries


Definition: terminal branches of the superior intercostal artery (from costocervical trunk) supplying the posterior portions of the upper two intercostal spaces.

Synonym(s): arteriae intercostales posteriores prima et secundaTA, posterior intercostal arteries 1–2

Further information

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