![Trunk of accessory nerve - Cranial nerves - Accessory nerve [XI] - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/nerfs-craniens-anatomie/images/v2/4a4fd10c4fcda8215e4955f7fcffda5c2ad130091030e08ebf0bd3d38790962f?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDkyLDQyNg&t=VHJ1bmsgb2YgYWNjZXNzb3J5IG5lcnZl&tx=492&ty=426&w=350&wk=1&s=915343bf6ae888e6fa2f674e89bfca72)
Trunk of accessory nerve
Truncus nervi accessorii
Definition
The trunk of accessory nerve is formed by the union of the cranial root and the spinal root.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
The trunk of accessory nerve is formed by the union of the cranial root and the spinal root.
References
![Trunk of accessory nerve - Cranial nerves - Accessory nerve [XI] - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/nerfs-craniens-anatomie/images/v2/4a4fd10c4fcda8215e4955f7fcffda5c2ad130091030e08ebf0bd3d38790962f?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDkyLDQyNg&t=VHJ1bmsgb2YgYWNjZXNzb3J5IG5lcnZl&tx=492&ty=426&w=200&wk=1&s=870388c91e02397abbfad7f64285c503 "Trunk of accessory nerve - Cranial nerves - Accessory nerve [XI] - e-Anatomy")