English Dictionary

philtrum

/ˈfɪl.tɹəm/

noun

(anatomy) The shallow vertical groove running from the nasal septum to the center of the upper lip. / (zootomy) The junction between the two halves of an animal's upper lip or nose.

The philtrum is the vertical groove between the base of the nose and the border of the upper lip.

意味（1）

(anatomy) The shallow vertical groove running from the nasal septum to the center of the upper lip.

Oral intercommissural distance (mouth width) and philtrum length are useful measurements for diagnosis of wide or large mouth (macrostomia), small mouth (microstomia), long philtrum and short philtrum and form ‘good handles’ in syndromic delineation.

意味（2）

(zootomy) The junction between the two halves of an animal's upper lip or nose.