| atRA | all-trans retinoic acid |
| miRNA | microRNA |
| MEFM | Mouse embryonic frontonasal mesenchymal |
| CNC | Cranial neural crest |
| CL/P | Cleft lip with/without cleft palate |
| ES | Embryonic stem |
| SHH | Sonic hedgehog |
| atRA | all-trans retinoic acid |
| miRNA | microRNA |
| MEFM | Mouse embryonic frontonasal mesenchymal |
| CNC | Cranial neural crest |
| CL/P | Cleft lip with/without cleft palate |
| ES | Embryonic stem |
| SHH | Sonic hedgehog |