# philtrum

> vertical groove in the middle area of the upper lip, common to many mammals, extending in humans from the nasal septum to the tubercle of the upper lip

**Wikidata**: [Q152092](https://www.wikidata.org/wiki/Q152092)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Philtrum)  
**Source**: https://4ort.xyz/entity/philtrum


## References

1. Foundational Model of Anatomy
2. Freebase Data Dumps. 2013
3. Quora
4. [Source](http://www.unifr.ch/ifaa/Public/EntryPage/TA98%20Tree/Alpha/All%20KWIC%20W%20LA.htm)
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)