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n. pl. phil·tra (-trə) or philtrums
1. In humans and certain other primates, the vertical indentation in the center of the upper lip.
2. In many other mammals, the cleft running through the center of the upper lip and often between the nostrils.

[New Latin, from Latin, philter, from Greek philtron, philter, charm, philtrum; see philter.]


n, pl philtra
(Anatomy) the indentation above the upper lip
[C17: from Latin, see philtre]


(ˈfɪl trəm)

n., pl. -tra (-trə).
1. the vertical groove on the surface of the upper lip, below the nose.
[1600–10; < Latin: love philter < Greek phíltron love philter, dimple in upper lip. See phil-, -tron]
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References in periodicals archive ?
His lips were thin with a smooth philtrum and his mouth was small with down-turned corners.
These lip fillers have the capacity of improving in a safe manner the philtrum ridges, cupid bow, the upper and the lower lip and the vermilion border.
The SPFES uses six facial changes: Orbital tightening, cheek tightening, rotation of the ear, lip and jaw profile changes, and shortening and narrowing of the philtrum (McLennan et al.
That's because having men explain things that we already understand, oftentimes better than the helpful explainer, is the philtrum of female experience--something everyone has but didn't know it had a name.
On physical examination, microcephaly, prominent columella, long-flat philtrum and thin upper lip were detected.
Reconstruction for Defects at the Base of the Philtrum Affecting the Upper Lip Vermilion.
Cornelia De Lange syndrome was initially suspected by the geneticists due to dysmorphic facial features, including prominent eyebrows, thin upper lip, and smooth philtrum.
LIP MORPHOLOGY Objective/Reason Strategies/ Frequency and Accomplishment Duration of Exercises Upper lip: Elongate the upper --perform massage Perform 3 series of lip and eliminate using two fingers to 10 massages with 10- eversion of the lower elongate the philtrum second interval lip, aiming to and upper orbicularis between series.
Physical examination showed an infant with growth restriction and facial dysmorphism with midface hypoplasia, broad nasal root, and flat philtrum.
Fetal phenytoin is said to be associated with hypertelorism, broad nasal bridge, short nose, and facial hirsutism, while fetal CBZ face includes epicanthic folds, short nose, long philtrum, and upward slanting palpebral fissures, as in our patient mentioned above(32-34).
The three typical facial changes that have been used to make this diagnosis since the 1970s include short palpebral fissures, a shallow or lack of philtrum, and a thin vermilion border of the upper lip.
Typical physical signs of FASD include short palpebral fissures, a smooth philtrum, and a vermilion border of the upper lip that may be thinner than normal, along with midface hypoplasia.