pyramidal lobe of thyroid gland
Definition: 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
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