How does the thyroid develop?
From the floor of the primitive pharynx and descends into the neck connceted to the tongue via the thyroglossal duct, which normally disappears but may persist as custs of the pryamidal lobe of the thyroid
The _____ is the normal remnant of the thyroglossal duct
The thyroid is derived from what tissue?
Endoderm, except C cells which come from the neural crest