# Urethral sphincter

> muscles keeping urine in the bladder

**Wikidata**: [Q1424728](https://www.wikidata.org/wiki/Q1424728)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Urethral_sphincters)  
**Source**: https://4ort.xyz/entity/urethral-sphincter


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)