Question

thyroid glands are formed from???​

Answer 1

The thyroid originates from two main structures: the primitive pharynx and the neural crest. The rudimentary lateral thyroid develops from neural crest cells, while the median thyroid, which forms the bulk of the gland, arises from the primitive pharynx.

Answer 2

Answer:

The rudimentary lateral thyroid develops from neural crest cells, while the median thyroid, which forms the bulk of the gland, arises from the primitive pharynx. The thyroid gland forms as a proliferation of endodermal epithelial cells on the median surface of the developing pharyngeal floor.