thyroid pyramidal lobe; Lallouette pyramid; Morgagni appendix
Jump to navigation
Jump to search
Introduction
An inconstant lobe of the thyroid gland that arises from the upper border of the isthmus & extends upward as far as the hyoid.
Decent of thyroid gives rise to thyroglossal duct.
Remnants of thyroid persisting along this tract include:
- lingual thyroid
- thyroglossal cyst or nodule
- pyramidal lobe of thyroid, a structure contiguous with the thyroid isthmus.