Embryology Flashcards
1
Q
Where does thyroid diverticulum arise from?
A
Floor of primitive pharynx, descends into neck
2
Q
What is it connected to the tongue by originally?
A
Thyroglossal duct - normally disappears but may persist
3
Q
What is the foramen cecum?
A
Normal remnant of thyroglossal duct
4
Q
What is the most common ectopic thyroid tissue site?
A
The tongue
5
Q
How does a thyroglossal duct cyst present?
A
anterior midline neck mass, moves with swallowing or protrusion of tongue.
