# tunica adventitia of blood vessel

> outer layer of blood vessel

**Wikidata**: [Q953121](https://www.wikidata.org/wiki/Q953121)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tunica_externa)  
**Source**: https://4ort.xyz/entity/tunica-adventitia-of-blood-vessel


## References

1. Foundational Model of Anatomy
2. [Source](http://www.bartleby.com/107/133.html)
3. [Source](http://www.unifr.ch/ifaa/Public/EntryPage/TA98%20Tree/Alpha/All%20KWIC%20W%20LA.htm)