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CRANIAL NERVES.            Prof. Mamun Sarhan.            Head of Neurology Dept.            Zagazig University
Olfactory Nerve CN ICLASSIFICAT   FUNCTIONIONsensory       Olfaction              (smell)
OlfactoryNerve – CN I
Lesion of olfactorynerve : Anosmia
Optic Nerve   CN II
Optic Nerve – CN IICLASSIFICATION   FUNCTIONl Sensory        Convey visual                 information from the           ...
Examination* visual field   * Perimetry   * Confrontation method   * each eye separately using finger* Ophthalmoscopic exa...
Oculomotor Nerve     CN III
Oculomotor Nerve CN IIICLASSIFICATION   NUCLEI                    FUNCTIONAutonomic        Edinger-Westphal nuclei   Paras...
Oculomotor Nerve – CN III
Trochlear Nerve    CN IV
Trochlear Nerve - CN IV                         CLASSIFICATION     motor                         NUCLEI             Trochl...
Abducens Nerve    CN VI
Abducens Nerve CN VICLASSIFICATION     FUNCTIONmotor)             Innervation of                   Lateral rectus         ...
Abducens Nerve – CN VI   UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Trigeminal Nerve      CN V
Trigeminal Nerve CN V      SENSORY UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Facial Nerve   CN VII
Facial Nerve CN VII      MOTORUNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Vestibulocochlear nerve         CN VIII
EarUNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Glossopharyngea       l     CN IX
Glossopharyngeal Nerve   UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Vagus Nerve   CN X
Overview   of Vagus Nerve       UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Spinal Accessory     Nerve     CN XI
Spinal Accessory Nerve – CN XICLASSIFICATION              NUCLEUS              FUNCTIONSpecial Visceral Efferent   Accesso...
Spinal Accessory Nerve – CN XI     UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
Hypoglossal  Nerve  CN XII
Thank You!!!
Cranial nerves
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Cranial nerves

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Cranial nerves

  1. 1. CRANIAL NERVES. Prof. Mamun Sarhan. Head of Neurology Dept. Zagazig University
  2. 2. Olfactory Nerve CN ICLASSIFICAT FUNCTIONIONsensory Olfaction (smell)
  3. 3. OlfactoryNerve – CN I
  4. 4. Lesion of olfactorynerve : Anosmia
  5. 5. Optic Nerve CN II
  6. 6. Optic Nerve – CN IICLASSIFICATION FUNCTIONl Sensory Convey visual information from the retina
  7. 7. Examination* visual field * Perimetry * Confrontation method * each eye separately using finger* Ophthalmoscopic examination* Colour blindness test
  8. 8. Oculomotor Nerve CN III
  9. 9. Oculomotor Nerve CN IIICLASSIFICATION NUCLEI FUNCTIONAutonomic Edinger-Westphal nuclei Parasympathetic supply to constrictor pupillae and ciliary musclesMotor Oculomotor nuclei Innervation of levator palpebrae superioris, superior , medial and inferior recti, and inferior oblique muscles of the eye
  10. 10. Oculomotor Nerve – CN III
  11. 11. Trochlear Nerve CN IV
  12. 12. Trochlear Nerve - CN IV CLASSIFICATION motor NUCLEI Trochlear FUNCTION Innervation of superior oblique UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  13. 13. Abducens Nerve CN VI
  14. 14. Abducens Nerve CN VICLASSIFICATION FUNCTIONmotor) Innervation of Lateral rectus muscle of the eye Lateral Lateral rectus rectus muscle muscle Abducens Abducens nerve nerve UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  15. 15. Abducens Nerve – CN VI UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  16. 16. Trigeminal Nerve CN V
  17. 17. Trigeminal Nerve CN V SENSORY UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  18. 18. Facial Nerve CN VII
  19. 19. Facial Nerve CN VII MOTORUNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  20. 20. Vestibulocochlear nerve CN VIII
  21. 21. EarUNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  22. 22. Glossopharyngea l CN IX
  23. 23. Glossopharyngeal Nerve UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  24. 24. Vagus Nerve CN X
  25. 25. Overview of Vagus Nerve UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  26. 26. Spinal Accessory Nerve CN XI
  27. 27. Spinal Accessory Nerve – CN XICLASSIFICATION NUCLEUS FUNCTIONSpecial Visceral Efferent Accessory (spinal) To supply sternomastoid and trapezius muscles UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  28. 28. Spinal Accessory Nerve – CN XI UNIVERSITY OF SANTO TOMAS: DEPARTMENT OF NEUROLOGY
  29. 29. Hypoglossal Nerve CN XII
  30. 30. Thank You!!!

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