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CN X--Vagus
N/A
7
Anatomy
Professional
10/17/2008

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Term
type:
Definition
mixed
Term
motor cell body of origin:
Definition
nucleus ambiguus
Term
motor innervation of:
Definition
1. pharyngeal constrictors
2. intrinsic muscles of the larynx
3. levator veli palatini
4. palatoglossus
5. palatopharyngeus
6. salpingopharyngeus
Term
parasympathetic cell body of origin:
Definition
1st cell body in dorsal motor nucleus--innervation to smooth muscle of digestive, respiratory systems and heart muscle
Term
sensory cell body of origin:
Definition
inferior ganglion of vagus n. (nodose ganglion)--innervation of mucosa of larynx, pharynx, respiratory and digestive systems, heart--central processes terminate in nucleus solitarius
superior ganglion--sensory of external auditory meatus, external tympanic membrane, central processes terminate in sensory trigeminal nucleus
Term
exits cranial cavity through:
Definition
jugular foramen
Term
branches in the neck into:
Definition
1. pharyngeal branches
2. superior laryngeal branches into internal (sensory) and external (motor) laryngeal nerves
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