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Cranial Nerves

1. Olfactory Nerve
1. Function
  1. Sensory
    1. Smell
2. Apparent Origin
  1. Olfactory Bulb
3. Exit
  1. Cribriform plate
4. Nuclei of Origin
  1. Olfactory cells from olfactory mucous
2. Optic Nerve
1. Function
  1. Sensory
    1. Vision
2. Apparent Origin
  1. Optic chiasm
3. Exit
  1. Optic canal
4. Nuclei of Origin
  1. lymph node cells of retina
3. Oculomotor Nerve
1. Exit
  1. Superior orbital fissure (middle part)
2. Function
  1. Motor
    1. Somatic
      1. Superior, inferior and medial rectus muscles, inferior oblique and levator palpebrae superioris
    2. Autonomic
      1. Circular muscles (pupil constriction), ciliary muscle
3. Apparent Origin
  1. Interpedunculas fossa
4. Nuclei of Origin
  1. Gray substance
5. Trigeminal Nerve
1. Ophthalmic
  1. Function
    1. Nasal cavity, skin of forehead, upper eyelid, eyebrow
  2. Exit
    1. Superior orbital fissure
2. Maxillary
  1. Function
    1. Cheeks, Lower eyelid, nasal mucosa, upper lip, upper teeth and palate
  2. Exit
    1. Foramen rotundum
3. Mandibular
  1. Function
    1. Lower gums, lower teeth, lips, tongue
      1. Muscles of mastication
  2. Exit
    1. F. ovale
4. Apparent Origin
  1. Lateral grave
6. Abducens Nerve
1. Exit
  1. Superior orbital fissure
2. Function
  1. Motor
    1. Lateral rectus muscle
3. Apparent Origin
  1. Superior pontine surcus
4. Nuclei of Origin
  1. Principal Nuclei and Accesory Nuclei
8. Vestibulocochlear Nerve
1. Exit
  1. Internal acoustic meatus
2. Function
  1. Sensory
    1. Hearing and balance
3. Apparent Origin
  1. Superior potine surcus
4. Nuclei of Origin
  1. Ambiguous Nuclei
9. Glossopharyngeal Nerve
1. Exit
  1. Jugular F.
2. Apparent Origin
  1. Olivary body
3. Function
  1. Mixed
    1. Sensory
      1. Taste from posterior 1/3 or tongue, pharynx
    2. Autonomic
      1. Salival production and salivation
    3. Somatic
      1. Muscles of the pharynx and tongue
4. Nuclei of Origin
  1. Ambiguous Nuclei
10. Vagus Nerve
1. Exit
  1. F. Jugular
2. Function
  1. Mixed
    1. Sensory
      1. Taste from epiglottis and pharynx
    2. Autonomic (inv)
      1. Smooth muscle contraction of de abdominal viscera, visceral gland secretions
    3. Autonomic (vol)
      1. larynx
3. Apparent Origin
  1. Olivary body
11. Spinal Accessory
1. Function
  1. Motor
    1. Swallowing and head movement (via trapezius and sternocleidomastoid)
2. Apparent Origin
  1. Olivary surcus
3. Exit
  1. F. Jugular
12. Hypoglossal Nerve
1. Function
  1. Motor
    1. Intrinsic and extrinsic tongue muscles
2. Exit
  1. Hypoglossal canal
3. Apparent Origin
  1. Olivary surcus
4. Trochlear Nerve
1. Exit
  1. Superior orbital fissure
2. Function
  1. Motor
    1. Superior oblique muscle
3. Apparent Origin
  1. Bullow inferior collicutus
7. Facial Nerve
1. Exit
  1. F. stylomastoid
2. Function
  1. Mixed
    1. Autonomic
      1. Facial, scalp and neck muscles
      2. lacriaml and submandibular and sublingual salivary glands, mucous membranes of nose and palate
    2. Sensory
      1. Taste from anterior 2/3 s of tongue
3. Apparent Origin
  1. Superior pontine surcus
4. Nuclei of Origin
  1. Facial Nuclei

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Cranial Nerves

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	Created by Camila Lecue over 4 years ago