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Related Glossary Terms:
- First and Second Pharyngeal Arch SyndromesA variety of congenital syndromes affecting the face occur due to defects involving the first and second Branchial Arches.
- Visceral Arch SyndromeCongenital defects caused by a failure of neural crest cells to migrate into the first pharyngeal arch which can produce facial anomalies. Examples of first arch syndromes include Treacher Collins syndrome and Pierre Robin syndrome.