Cranial nerves Flashcards
GSA
5, 7, 9, 10
GSE
3, 4, 6, 11, 12
GVA
9,10
GVE
3, 7, 9, 10
SVE
5, 7, 9, 10
SVA
1, 7, 9, 10
SSA
2, 8
Where does CN 1 exit?
Foramina of cribriform plate
Where does CN 2 exit?
Optic canal
WHat exits thru the SOF?
CNs 3, 4, V1, 6
What exits the foramen rotundum?
CN V2
What exits the foramen ovale?
CN V3
What exits the Foramen SpinsouM?
Middle Meningeal a. And v.
Meningeal branch of CN V3
What exits the foramen cecum?
Emissary vein to superior sagittal sinus
What exits the carotid canal?
Internal carotid artery
Internal carotid nerve plexus
What exits the Internal acoustic meatus?
CN 7
CN 8
What exits the Jugular foramen?
CN 9, 10, 11
Inferior petrosal sinus, sigmoid sinus, posterior meningeal a.
Where does CN 12 exit?
Hypoglossal canal
What exits the foramen magnum?
Spinal roots of CN 11
Medulla Oblongata
meninges
Vertebral As.
Meningeal Branches of vertebra arteries
What innervates Tensory Tympani and Tenso Veli palatini?
Trigeminal N. - V3
What are the “rules” for sympathetic fibers in the head?
Post ganglionic (have already synapsed)
From superior cervical ganglion of the sympathetic trunk
Travel on vessels to structures they innervate
What are the “rules” for parasympathetics in the head?
Preganglionic fibers
From nuclei in brain stem
Synapse at 4 ganglia in head
(Otic, ciliary, pterygopalatine, submandibular)
Carried by CN 3, 7, 9, 10
How do the postgalnglionic fibers of the parasympathetic system travel in the head?
Via branches of CN 5
What supplies Lateral Rectus?
CN 6