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Head and Neck Anatomy
Cranial Nerves
6
Health Care
Professional
07/29/2008
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Term
Olfactory Nerve (CN I)
 Definition
  • Sensory
  • Olfactory nerves
  • Cribriform plate
  • Olfactory tract- Olfactory bulb- Cribriform plate
  • No branches
Term
Optic Nerve (CN II)
 Definition
  • Sensory
  • Rods and cones of eye
  • Optic foramen
  • Form optic chiasma and exit brain through optic foramen to enter eye
  • No branches
Term
Oculomotor (CN III)
 Definition
  • Motor
  • Levator palpebrae; superior, media,and inferior recti; inferior oblique; ciliary ganglion; sphincter pupillae; and ocular muscles
  • Superior orbital fissure
  •  
  • Superior and inferior divisions in orbit
Term
Trochlear (CN IV)
 Definition
  • Motor
  • Superior oblique
  • Superior orbital fissure
  • Terminates into superior oblique after entering superior orbital fissure
  • No branches
Term
Trigeminal Nerve (CN V)
 Definition
  • Both motor and sensory function
  • V1 : Ophthalmic division, V2 : Maxillary division, and V3 : Mandibular division
Term
Ophthalmic division (V1) of Trigeminal nerve (CN V)
 Definition
  • Sensory
  • Superior orbital fissure
  •  
  • Lacrimal, Frontal, Supratrochlear, Supraorbital, Nasociliary, Ethmoidal (anterior and posterior), Internal Nasal, External Nasal, Infratrochlear, and Long Ciliary
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