Normal anatomy at E18.5
- Anterior point of maxilla
- Lateral point of premaxillary-maxillary suture
- Tip of zygomatic process of maxilla
- Anterior-medial point to zygomatic process
- Posterior point of maxilla
- Posterior-lateral point of palatal process of maxilla
- Posterior-medial point of palatal process of maxilla
- Most anterior-medial point of palatal process of maxilla
- Anterior-lateral point of palatal process of maxilla
- Medial point of premaxillary-maxillary suture