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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Wiley Interdiscip Rev Syst Biol Med. 2014 Mar 18;6(3):271–278. doi: 10.1002/wsbm.1265

Fig. 1.

Fig. 1

Schematic representation of palatal growth and fusion. Palatal shelves (PS) can be first seen as outgrowths of the maxillary processes of the first pharyngeal arch (E11.5). They then grow vertically down along the sides of the tongue (T; E13.0), rapidly elevate (E14.0), form a contact with each other and with the nasal septum (NS) in the anterior palate (P) (E15.0) and eventually fuse (E16.0).