Oh, I’ve really grown fond of medical terminology!
Advanced specialists will especially appreciate this.

Upper Lip
1. Philtrum columns
2. Lateral vermilion zone
3. Cupid’s bow
4. Lateral subvermilion zone
5. Medial subvermilion zone
6. Lateral peristomal zone
7. Medial peristomal zone
⠀
Lower Lip
1. Lateral vermilion zone
2. Medial vermilion zone
3. Lateral subvermilion zone
4. Medial subvermilion zone
5. Lateral peristomal zone
6. Medial peristomal zone
7. Commissure zone