Noun: accessory nerve ak'se-su-ree nurv
- Arises from two sets of roots (cranial and spinal) that unite to form the nerve
"The accessory nerve controls the sternocleidomastoid and trapezius muscles";
- spinal accessory, nervus accessorius, eleventh cranial nerve
Derived forms: accessory nerves
Type of: cranial nerve
Encyclopedia: Accessory nerve