Cranial Nerves Lecture 5

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Cranial Nerves Lecture 5. On Old Olympus Towering Tops, A Finn And German Viewed Some Hops. On Old Olympus Towering Tops , A Finn And German Viewed Some Hops. On Old Olympus Towering Tops , A Finn And German Viewed Some Hops. Olfactory (CN I) Optic (CN II) Oculomotor (CN III) - PowerPoint PPT Presentation

Transcript of Cranial Nerves Lecture 5

Page 1: Cranial Nerves Lecture 5
Page 2: Cranial Nerves Lecture 5

On Old Olympus Towering Tops, A Finn And German

Viewed Some Hops

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On Old Olympus Towering Tops, A Finn And German

Viewed Some Hops

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•On Old Olympus Towering Tops, A Finn And German Viewed Some Hops

•Olfactory (CN I)•Optic (CN II)•Oculomotor (CN III)• Trochlear (CN IV)• Trigeminal (CN V)

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• On Old Olympus Towering Tops, A Finn And German Viewed Some Hops

• Abducent/Abducens (CN VI)• Facial (CN VII)• Auditory/Acoustic (CN VIII)• Glossophraryngeal (CN IX)

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• On Old Olympus Towering Tops, A Finn And German Viewed Some Hops

• Vagus (CN X)• Spinal accessory (CN XI)•Hypoglossal (CN XII)

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• Sensory: afferent fibers that take information back to the brain• 5 senses: Smelling, seeing, tasting, hearing, touch• Proprioception: sense of where the body is in space

• Motor: efferent fibers that bring information from the brain• Movement

• Mixed: both sensory (afferent) and motor (efferent)

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http://www.youtube.com/watch?v=IBuPzn_8UTc&feature=related

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Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

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http://www.rci.rutgers.edu/~uzwiak/AnatPhys/APFallLect19.html

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• Sensory and motor

• 3 branches:• Opthalmic (V1)

•Maxillary (V2)

•Mandibular (V3)

Zemlin, pg 371

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• Opthalmic• Upper 3rd of the face

• Maxillary• Middle 3rd of the face• Includes: nose, upper

teeth/gums), upper pharynx, palate

Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc, pg. 508.

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• Mandibular• Lower 3rd of the face• Includes: lower

teeth/gums, mastication muscles, skin of ear, anterior 2/3 of tongue

Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc, pg. 508.

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• Mandibular• Muscles of

mastication (chewing)

• Tensor tympani

Zemlin, pg 371

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http://virtuallabs.stanford.edu/demo/

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Nerve Name

Number Sensory Motor

Trigeminal CN V Face MasticationMiddle ear

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Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

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• Sensory and motor

• Many branches

Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc, pg. 514.

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• Taste: Chorda Tympani• Anterior 2/3 of tongue

Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc, pg. 514.

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• Temporal• Zygomatic• Buccal• Mandibular • Cervical

http://www.riversideonline.com/health_reference/Nervous-System/AN00084.cfm?RenderForPrint=1

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• Facial Expression• Forehead: Temporal• Blink: Zygomatic• Nose: Buccal• Lips: Buccal• Jaw: Mandibular & Cervical

http://www.riversideonline.com/health_reference/Nervous-System/AN00084.cfm?RenderForPrint=1

TemporalZygomatic

BuccalMandibular

Cervical

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• Stapedial muscle: nerve to stapedius muscle (A)

http://medics4u.webs.com/neuroanatomyspecialsense.htm

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http://virtuallabs.stanford.edu/demo/

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Nerve Name

Number Sensory Motor

Trigeminal CN V Face MasticationMiddle ear

Facial CN VII Taste Facial ExpressionStapedial muscle

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Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

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Also called:• Auditory Vestibular• Vestibulocochlear

http://extra.springer.com/2003/978-1-4020-71645/CD/JPEGS%20Chptr%2012%20Cranial%20NERVES/Chapter%2012%20Cranial%20Nerves

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http://extra.springer.com/2003/978-1-4020-71645/CD/JPEGS%20Chptr%2012%20Cranial%20NERVES/Chapter%2012%20Cranial%20Nerves

• Outer hair cells (sound)• Inner hair cells (sound)• Semicircular canals (balance)

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Nerve Name

Number Sensory Motor

Trigeminal CN V Face MasticationMiddle ear

Facial CN VII Taste Facial ExpressionStapedial muscle

Auditory CN VIII HearingBalance