Parafollicular cells (C-cells) in the thyroid are derived from
Cells of the ultimobranchial body give rise to the parafollicular, or C cells of the thyroid gland. These cells secrete calcitonin, a hormone involved in regulation of the calcium level in the bloodRef: Langman&;s Medical embryology; 12th edition; Chapter 17; Head and Neck
Neural crest
Ultimobranchial body
Median bud of pharynx
Pharyngeal pouch
General anatomy