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ANAT 2647 Brain Stem - Cranial Nerve Nuclei

ANAT 2647 Brain Stem - Cranial Nerve Nuclei - the face –...

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Cranial Nerves Nolte 295 – 322 COA 1054 - 1082 I: Olfactory II: Optic III: Oculomotor IV: Trochlear V: Trigeminal VI: Abducens VII: Facial VIII: Vestibulocochlear IX: Glossopharyngeal
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Functional Components GSE: General Somatic Efferent GVE: General Visceral Efferent parasympathetic GVA: General Visceral Afferent GSA: General Somatic Afferent SVE: Special Visceral Efferent SVA: Special Visceral Afferent SSA: Special Somatic Afferent “Special” means that the structures were derived from the pharyngeal
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Functional Components GSE: III, IV, VI, XII GVE (parasympathetic): III, VII , IX, X GVA: IX, X GSA: V, VII, IX, X SVE: V, VII, IX, X , XI SVA: I, VII, IX, X SSA: II, VIII
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General Somatic Efferent III, IV, VI innervate muscles that move the eyes XII innervates muscles that move the tongue
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General Visceral Afferent IX chemoception, baroception X chemoception, baroception, distention
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General Somatic Afferent
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Unformatted text preview: the face – Pain, temperature, touch, proprioception • VII, IX, X carries general sensory information from the ear Special Visceral Efferent • V motor to chewing muscles • VII motor to muscles of facial expression • IX, X, XI (cranial) motor to pharyngeal and laryngeal muscles • XI (spinal) motor to sternocleidomastoid and trapezius Special Visceral Afferent • I transmits olfactory (smells) information • VII transmits gustatory (taste) information from the anterior 2/3rds of the tongue • IX transmits gustatory (taste) information from the posterior 1/3rd of the tongue • X transmits gustatory (taste) information from the back of the mouth and throat to the epiglottis Special Somatic Afferent • II transmits visual (seeing) information • VIII transmits auditory (hearing) and proprioceptive (balance) information...
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