Cranial Nerves

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Author:
lyncho87
ID:
210422
Filename:
Cranial Nerves
Updated:
2013-03-30 18:56:57
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Cranial Nerves NUPT
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CN
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  1. I
    • Name: Olfactory
    • Functional components and Peripheral distribution:
    • Sensory (smell)- SVA - Olfactory mucosa (upper part of nasal mucosa)
  2. II
    • Name: Optic
    • Functional components and Peripheral distribution: Sensory (sight) SSA - Retina
  3. III
    • Name: Oculomotor
    • Functional components and Peripheral distribution:
    • -Somatic Motor (GSE) - Superior, inferior, and medil recti; inferior oblique; levator palpebrae superioris
    • -Parasympathetic (GVE) - Sphincter pupillae and ciliaris muscle for pupillary constriction and accommodation
  4. IV
    • Name: Trochlear
    • Functional components and Peripheral distribution:
    • -Somatic Motor (GSE) - Superior oblique muscle of eye
  5. V
    • Name: Trigeminal
    • Functional Components and peripheral distribution:¬†Face, cornea, scalp, dura, teeth, mucosa of mouth, anterior two thirds of tongue (touch), nose and paranasal air sinuses; skin of ear and external acoustic meatus
    • Branchial motor (SVE) - Motor root: Muscles of mastication (masseter, temporalis, medial and lateral pterygoids), mylohyoid and anterior belly of digastic, tensores tympani and palati
  6. VI
    • Name: Abducens
    • Functional Components and peripheral distribution:
    • - Somatic Motor (GSE) - Lateral rectus of eye
  7. VII
    • Name: Facial
    • Functional Components and peripheral distribution:
    • - Branchial motor (SVE) - Motor root: facial muscles, posterior belly of digastic, stylohyoid
    • -Parasympathetic (GVE)- Sensory root: (nervus intermedius) Glands of nose and palate; lacrimal gland--submandibular and sublingal salivary glands
    • - Sensory (SVA)- Anterior 2/3 of tongue (taste)
  8. VIII
    • Name: Vestibulocochlear
    • Functional Components and peripheral distribution:
    • - Sensory (SSA)- hearing - Organ of Corti
    • - Sensory (equilibrium) SSA- Semicircular ducts; utricle and saccule
  9. IX
    • Name: Glossopharyngeal¬†
    • Functional Components and peripheral distribution:
    • - Branchial motor (SVE) - Stylopharyngeus muslce
    • -Parasympathetics (GVE)- Parotid
    • - Sensory (GSA and GVA) -Skin of external acoustic meatus, mucosa of pharynx, soft palate, posterior 1/3 of tongue (touch) tympanic cavity; carotid sinus
    • - Sensory (SVA) (taste) - Posterior 1/3 of tongue (taste)
  10. X
    • Name: Vagus
    • Functional Components and peripheral distribution:
    • - Branchial motor (SVE) - muscles of pharynx, palate, larynx
    • -Parasympathetic (GVE)- Smooth muscle and glands of pharynx, larynx, trachea, and thoracic and abdominal viscera (not hindgut)
    • -Sensory (GSA) - Skin of ear and external acoustic meatus
    • - Sensory (GVA) - Pharynx, larynx, trachea, thoracic and abdominal viscera (excluding hindgut)
    • - Sensory (taste) SVA- Epiglottis
  11. XI
    • Name: Accessory
    • Functional Components and peripheral distribution:
    • Branchial Arch (SVE) - Branches of vagus for muscles of pharynx, palate, and larynx (from brain stem), and Sternomastoid and trap muscles (from pharyngeal arch)
  12. XII
    • Name: Hypoglossal
    • Functional Components and peripheral distribution:
    • Somatic Motor (GSE) - Intrinsic and extrinsic muscles of tongue

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