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Medical Term:

lip switch flap


a flap designed so that a triangular segment of one lip (usually the lower), vascularized by the superior and inferior labial arteries (branches of the facial artery), is rotated 180 degreess and transferred into a defect in the opposing lip. The donor site is closed primarily.

See Also: Abbe flap

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.