Anatomy Pharyngeal Arches 7ddf1a4a Parafollicular c cells are derived from? A Ultimobranchial body B Pharyngeal pouch 4 C Pharyngeal pouch 5 D Neural crest cells High-Yield Explanation All option are true but Neural crest cells is better answer > Ultimobranchial body > Pharyngeal pouch 4 > Pharyngeal pouch 5