Philtrum, Deep

Definition:

Subjective: Accentuated, prominent philtral ridges giving rise to an exaggerated groove in the midline between the nasal base and upper vermillion border

Comments:

Some have used the term depressed philtrum, suggesting the presence of normal philtral ridges with a deeper groove, while admitting the difficulty in distinguishing this from prominent ridges with a normal philtral groove [Pashayan, [1983]]. We are unaware of a truly deepened philtral groove with normal height of the ridges.

Synonyms:

• Philtrum, Prominent

Replaces:

• Philtrum, Depressed

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