Anatomy Superficial Face HN

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emm64
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113862
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Anatomy Superficial Face HN
Updated:
2011-11-10 11:23:09
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Anatomy HN Superficial Face Cranial Nerves Anterior
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Superficial Face
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  1. CN I
    • Olfactory nerve
    • SS olfaction(smell)
  2. CN II
    • Optic nerve
    • SS sight
  3. CN III
    • Oculomotor nerve
    • SE, SA, and VE – para/pre
    • eyeball muscles
  4. CN IV
    • Trochlear nerve
    • SA, SE
    • one eye muscle
  5. CN V
    • Trigeminal nerve
    • V1 & V2 are purely sensory.
    • V3 is both sensory and motor (the branchial motor fibers go to muscles of mastication – which develop from branchial arch 1).
    • SA & branchial motor (SVE) fibers.
  6. CN VI
    • Abducens
    • SA SE
    • innervates one muscle (lateral rectus m.) in the orbit which “abducts” the eyeball (hence the name “abducens”)
  7. CN VII
    • Facial
    • SA, brachial motor fibers, VA, VE – para/pre, and SS (anterior 2/3 tounge taste) fibers.
  8. CN VIII
    • Vestibulo-cochlear
    • SS fibers(hearing and balance)
  9. CN IX
    • Glossopharyngeal
    • branchial motor fibers, VA, VE – para/pre, and SS (taste) fibers
    • innervates a single pharyneal muscle (stylopharyngeus – which develops from branchial arch 3),
    • supplies taste fibers to the posterior 1/3rd of the tongue, and
    • visceral afferent fibers to middle ear cavity, oropharynx, & tongue.
    • It is part of the cranial outflow of the parasympathetic division.
  10. CN X
    • Vagus nerve
    • branchial motor (XI via X) fibers, VA, VE –para/pre, SS (taste), and SA fibers
    • branchial innervate muscles of the pharynx and larynx.
    • some taste fibers to the epiglottis and taste bud and some somatic afferent fibers from the area of the external auditory meatus.
  11. CN XI
    • Accessory nerve
    • SA and SE fibers, branchial
  12. CN XII
    • Hypoglossal nerve
    • SA, SE
    • motor nerve that innervates the intrinsic and extrinsic muscles of the tongue.
    • SA fibers (proprioceptive) carried by the hypoglossal nerve to the tongue may have their cell bodies in the C1-2 DRGs.
  13. CN I
    • Olfactory Nerve
    • SS (smell)
  14. CN II
    • Optic Nerve
    • SS (sight)
  15. CN III
    • Oculomotor Nerve
    • SA, SE, VA, VE-para/pre
  16. CN IV
    • Trochlear Nerve
    • SA, SE
  17. CN V
    • Trigeminal Nerve
    • SA (V1 & V2 Divisions)
    • SA & BM (V3 Division)
  18. CN VI
    • Abducens Nerve
    • SA, SE
  19. CN VII
    • Facial Nerve
    • SS (taste), SA, BM, VA, VE-para/pre
  20. CN VIII
    • Vestibulocochlear Nerve
    • SS (hearing & balance)
  21. CN IX
    • Glossopharyngeal Nerve
    • SS (taste), (SA), BM, VA, VE-para/pre
  22. CN X
    • Vagus Nerve
    • SS (taste), SA, BM, VA, VE-para/pre
  23. CN XI
    • Cranial Part (CN XI via X) BM
    • Spinal Accessory Part SA, SE
  24. CN XII
    • Hypoglossal Nerve
    • SA, SE
  25. Anterior Triangle Borders
    • the midline
    • mandible (inferior margin)
    • sternocleidomastoid (SCM)
  26. muscular triangle Borders
    • the midline,
    • the hyoid bone,
    • the omohyoid (superior belly)
    • the SCM (inferior half).
  27. muscular triangle contents
    • omohyoid m.
    • sternohyoid m.
    • sternothryoid m.
    • thyrohyoid m.
    • anterior jugular vein *
    • thyroid gland (and parathyroid glands*)
    • recurrent laryngeal ns. *
    • larynx (covered in another lecture)
    • trachea (covered in another lecture)
  28. carotid triangle boundaries
    • SCM,
    • hyoid bone,
    • omohyoid (superior belly), and
    • digastric ( posterior belly)
  29. carotid triangle contains:
    • carotid sheath structures
    • hypoglossal nerve (CN XII)
    • accessory nerve (CN XI)
    • ansa cervicalis
    • external carotid artery branches
    • the superior laryngeal nerve and its branches
  30. submandibular triangle borders:
    • mandible (inferior margin),
    • anterior belly of the digastric m.
    • posterior belly of the digastric m.
  31. submandibular contents:
    • submandibular gland,
    • facial artery & vein,
    • hypoglossal nerve (CN XII),
    • submandibular lymph nodes.
  32. Cutaneous Scalp
  33. ECA ICA ANastomosis
  34. External Carotid Branches
  35. Facial Artery Branches
  36. Facial Nerve Motor Branches
    • two zebras beat my cat
  37. Facial Veins
  38. SCALP
  39. V1 Sensory Branches
  40. V2 Sensory Branches
  41. V3 Sensory Branches

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