hilum of lung
- a wedge-shaped depression on the mediastinal surface of each lung, where the bronchus, blood vessels, nerves, and lymphatics enter or leave the viscus.
- radiologically, the composite shadow of the main pulmonary arteries, veins, and lymph nodes in the lung root adjacent to the anatomic hilum.
Synonym(s): hilum pulmonisTA, porta pulmonis
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.