Accessory Nerve (Noun)
Meaning
Arises from two sets of roots (cranial and spinal) that unite to form the nerve.
Classification
Nouns denoting body parts.
Examples
- The accessory nerve is the eleventh cranial nerve and arises from two sets of roots, the cranial and spinal roots, that unite to form the nerve.
- The accessory nerve is formed by the union of cranial and spinal roots that arise from the brain stem and spinal cord, respectively.
- The accessory nerve has two distinct sets of roots, including cranial roots that arise from the medulla oblongata and the upper part of the spinal cord.
- The cranial and spinal roots of the accessory nerve arise from separate areas, the medulla oblongata and the upper cervical spinal segments, but eventually unite to form the nerve.
- Damage to either the cranial or spinal roots of the accessory nerve can lead to poor motor control and weakness in the sternocleidomastoid and trapezius muscles.