Skin & body regions
Philtrum
- System
- Skin & body regions
- Regions
- Head
- Side
- Left and right
- Part of
- Oral region
DescriptionUnreviewed
The philtrum (Latin: philtrum from Ancient Greek φίλτρον phíltron, lit. "love charm"), or medial cleft, is a vertical indentation in the middle area of the upper lip, common to therian mammals, extending in humans from the nasal septum to the tubercle of the upper lip.
Together with a glandular rhinarium and slit-like nostrils, it is believed to constitute the primitive condition for at least therian mammals.
Monotremes lack a philtrum, though this could be due to the specialised, beak-like jaws in living species.
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Source: Wikipedia · Text licence: CC BY-SA 3.0 · This text comes from the source data and has not been reviewed by a person yet.
Names
- Latin
- Philtrum
- English
- Philtrum
- French
- Philtrum
- Spanish
- Philtrum
- Portuguese
- Filtro