Thick upper lip vermilion HP:0000231 Full upper lip vermilion Normal values for the height of the vermilion are available [Farkas, 1981], but measurements are not commonly used. Most clinicians determine this feature subjectively or utilize the Likert scale of Astley and Clarren [2000] (Fig. 17). The vermilion of the upper lip varies considerably among ethnic groups, and the vermilion should be compared to a population of same ethnic background. The thickness of the upper lip vermilion is sensitive to the facial expression. On profile view, a thick vermilion is more convex than usual. Increased height of upper lip vermilion Thick vermilion border of upper lip Thick red part of the upper lip Prominent upper lip vermilion Increased volume of upper lip Prominent upper lip Plump upper lip Full upper lip UMLS:C1846423 HP:0000215 Thick upper lip Height of the vermilion of the upper lip in the midline more than 2 SD above the mean. Alternatively, an apparently increased height of the vermilion of the upper lip in the frontal view (subjective). Increased volume of upper lip vermilion Thick vermilion border