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Medical Term:

pyramidal lobe of thyroid gland


an inconstant narrow lobe of the thyroid gland that arises from the upper border of the isthmus and extends upward, sometimes as far as the hyoid bone; it marks the point of continuity with the thyroglossal duct.

Synonym(s): lobus pyramidalis glandulae thyroideaeTA, Lallouette pyramid, Morgagni appendix, pyramid of thyroid

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