noun The vertical groove between the base of the nose and the border of the upper lip.
The philtrum is the vertical groove between the base of the nose and the border of the upper lip.
The philtrum plays a role in speech production, particularly in the production of certain sounds like 'm' and 'p'.
The development of the philtrum is an important aspect of embryology, as it is formed during fetal development.
In plastic surgery, the philtrum may be altered or enhanced for cosmetic purposes.
In medical fiction writing, a writer may mention the philtrum as a facial feature to add detail and realism to their descriptions.
Psychologists may study the philtrum as part of their research on facial features and their potential links to personality traits or genetic conditions.
Dermatologists may examine the philtrum as part of a facial analysis to assess skin health and recommend treatments for any issues in that area.
Plastic surgeons may perform procedures on the philtrum to alter its appearance, such as in cleft lip repair surgeries or cosmetic enhancements.