# sinus

> sac or cavity in any organ or tissue

**Wikidata**: [Q2915470](https://www.wikidata.org/wiki/Q2915470)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sinus_(anatomy))  
**Source**: https://4ort.xyz/entity/sinus


## References

1. Foundational Model of Anatomy
2. Freebase Data Dumps. 2013
3. UMLS 2023