Cranial Nerves Flashcards
CN names
CN I - Olfactory nerve
CN II - Optic nerve
CN III - Oculomotor nerve
CN IV - Trochlear nerve
CN V - Trigeminal nerve
CN VI - Abducens nerve
CN VII - Facial nerve
CN VIII - Vestibulocochlear nerve
CN IX - Glossopharyngeal nerve
CN X - Vagus nerve
CN XI - Accessory nerve
CN XII - Hypoglossal nerve
CNs arise from what part of brainstem?
midbrain:
CN III
CN IV
pons:
CN V
CN VI
CN VII
CN VIII
medulla:
CN IX
CN X
CN XI
CN XII
Olfactory fibers run from olfactory epithelium in nasal cavity through ___ ___ to the olfactory bulb
Cribriform plate
some say mary money but my brother says big boobs matter most
CN I - sensory
CN II - sensory
CN III - motor
CN IV - motor
CN V - both
CN VI - motor
CN VII - both
CN VIII - sensory
CN IX - both
CN X -both
CN XI - motor
CN XII - motor
foramina of CNs
CN I - cribriform formina
CN II - optic canal
CN III - superior orbital fissure
CN IV - superior orbital fissure
CN V - 1: superior orbital fissure, 2: foramen rotundum, 3: foramen ovale
CN VI - superior orbital fissure
CN VII - internal acoustic meatus and stylomastoid foramen
CN VIII - internal acoustic meatus
CN IX - jugular
CN X - jugular
CN XI - jugular
CN XII - hypoglossal canal
hitchhikes with lacrimal (V1)
zygomatic (V2)
hitchhike with lingual n.
chorda tympani
pupillary reflex route
retina
CN II
edinger-westphal nucleus
CN III
ciliary ganglion
short ciliary nerves
pupil constriction
trigeminal nerve branches
V1 ophthalmic
V2 maxillary
V3 mandibular
CN V1 branches
frontal n. (supratrochlear n., supraprbital n.)
lacrimal n.
nasociliary n. (ant/post ethmoid n. and infratrochlear n.)
CN V2 branches
posterior/middle/anterior superior alveolar n.
infraorbital n.
greater palatine n.
zygomatic n.
CN V3 branches
auriculotemporal n.
long buccal n.
masseteric n.
deep temporal branch
pterygoid branches
inferior alveolar n.
lingual n.
