CN XI Flashcards
Where are motor cell bodies located
nucleus ambiguous
What does the nerve supply
SCM, traps, soft palate, larynx, and pharynx
Where is the spinal nucleus of the accessory nerve
anterior horn of gray matter
What is the level of the spinal nucleus of the accessory nerve
foramen magnum to ~C5-C6
Where does the accessory nerve exit the skull
jugular foramen
What are the two roots of the accessory nerve
spinal root and cranial root
Cranial Root emerges from where
MO and combines brieflly with spinal root
Cranial root exits skull via
jugular foramen
after exiting skull, fibers of cranial root and spinal root are separate, but combine with ______ at the inferior ganglion
vagus nerve
Cranial root is distributed to what 3 things after combining with the vagus nerve
pharyngeal plexus,
external laryngeal n
recurrent laryngeal n
Spinal root emerges from what part of the cervical cord
lateral aspect of the cervical cord between the anterior and posterior rootlets
Which root enters the cranial vault and then reexits
Spinal root
Where does the spinal root enter the skull
foramen magnum
What direction does the spinal root pass to combine with the cranial root and pass through the jugular foramen
laterally
Upon exiting the jugular foramen what happens to the spinal and cranial roots
they will separate upon exiting the jugular foramen
