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Cranial Nerves
Neuro
| Term | Definition |
|---|---|
| cones | more centrally located in the eye; more densely packed; fine detail, precision |
| rods | on perimeter of eye; low light/night vision |
| spinal trigeminal nucleus | pain & temp from face (V); sensation from pharynx, soft palate, tonsils, eustachian tubes, & post tongue (IX); sensation from ear (VII, IX, & X); pons to cervical spinal cord |
| mesencephalic nucleus | proprioception from the TMJ & facial muscs (VII) (midbrain) |
| salivatory nucleus | pre-ganglionic parasymp to submandibular ganglion (saliva) & to ptergopalantine ganglion (tears) (VII) & to otic ganglion (saliva) Medulla |
| Solitary nucleus | taste (ant 2/3 of tongue from VII, post 1/3 from IX); baroreceptors & chemoreceptors from carotid & aortic bodies (IX); sensation from pharynx, larynx, & viscera (X); medulla |
| nucleus ambiguus | LMN's to the stylopharyngeus musc (IX) & to muscs of pharynx & larynx (X) |
| dorsal motor nucleus of the vagus nerve/ vagal motor nucleus | pre-ganglionic ps to thoracic & abd ganglia (heart, lungs, upper GI) |