Embryo Flashcards
1
Q
Thyroid diverticulum arises from
A
Floor of primitive pharynx,
which descend into neck
2
Q
Thyroid diverticulum connected to
A
Tongue thyroglossal duct,
which normally disappears but may persist as pyramidal lobe of thyroid.
3
Q
Foramen cecum
A
Normal remnant of thyroglossal duct
4
Q
Most common site of ectopic thyroid
A
Tongue
5
Q
Thyroglossal duct cyst
A
Anterior midline neck mass that moves with swallowing
vs. persistent cervical cinus
6
Q
Branchial cleft cyst
A
Lateral neck mass,
from persistent cervical sinus