Cranial Nerves Flashcards
Name the 12 cranial nerves.
I olfactory II optic III oculomotor IV trochlear V trigeminal VI abducens VII facial VIII vestibulocochlear (acoustic) IX glossopharyngeal X vagus XI spinal accessory XII hypoglossal
What are the 6 types of fibers carried by cranial nerves?
- somatic motor
- visceral motor
- somatic sensory
- visceral sensory
- special sensory
- branchial motor
What are the 8 sensory ganglia of the cranial nerves?
- semilunar
- geniculate
- spiral
- vestibular
- inferior & superior of CN IX
- inferior & superior of CN X
What are the 5 parasympathetic ganglia of the cranial nerves?
- ciliary
- pterygopalatine
- submandibular
- otic
- intramural (in wall of organ)
What are the fiber types of the parasympathetic ganglia?
visceral motor
With which cranial nerve is the semilunar ganglion associated?
CN V
With which cranial nerve is the geniculate ganglion associated?
CN VII
With which cranial nerve is the spiral ganglion associated?
CN VIII
With which cranial nerve is the vestibular ganglion associated?
CN VIII
With which cranial nerve are the inferior & superior sensory ganglia associated?
CN IX has a pair; CN X has a pair
What is the mnemonic for remembering which cranial nerves are sensory and which are motor?
Some Say Marry Money But My Brother Says Big Brains Matter Most
What cranial nerve innervates the palate, pharynx, and larynx?
X - vagus
except stylopharyngeus muscle
What nerve innervates the stylopharyngeus muscle?
IX - glossopharyngeal
What nerve innervates the tongue (motor)?
XII - hypoglossal
except palatoglossus - X
What nerves innervate the suprahyoid muscles?
C1
VII
nerve to mylohyoid