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neurovascular sheath


Definition: fibrous tissue enveloping and binding together arteries, their accompanying veins (venae comitantes) and nerves that run together; often it is merely the adventitious tissue of the neurovascular structures but may be highly developed as a distinct fascial layer (in the case of the carotid and axillary sheaths).

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