Mnemonic
Palate Fusion Sequence
Mnemonic for the direction of palatal shelf fusion.
Expansion
Palatine shelves swing down then up then fuse, miss the timing, get the cleft
Expansion
- Initial position - shelves hang vertically either side of the tongue
- Rotation - shelves swing upward above the tongue
- Fusion - shelves meet in the midline to form the secondary palate