c cells of thyroid

[2cr8tive]

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hi, i was listening to kaplan anatomy lectures and it was mentioned that the C cells of thyroid gland are derived from 4th pouch together with the superior parathyroids. however in the kaplan anatomy text, it mentions that c cells are derived from neural crest. knowing that pouches are from endoderm, which one is the right answer? thanks🙄

 

[Instatewaiter]

pretty sure C cells come from the neural crest. This is why you get the multiple endocrine neoplasias (MEN II and III). Someone correct me if I am wrong

c cells--> medullary thyroid cancers and the chromafin cells (which are also from neural crest) give a pheo