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collateral ventilation

 

Definition: the process by which gas passes from one lung unit to a contiguous unit through alveolar pores or direct airway anastomoses; the mechanism that explains lack of atelectasis distal to an obstructed bronchus; sometimes also called collateral air drift.

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

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