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Description of the measurements
| Aspects | Description |
|---|---|
| Alar height |
the vertical line from the midpoint of the curve from root to tip of one side to the base of the nose |
| Nostril width | perpendicular line forming the narrowest part of the columella to the lateral wall of the ala |
| Nostril height | perpendicular line forming the highest part of the nostril sill to the base of the nostril |
