ANAT 2626 Cranial Nerves IX, X, XI and XII

ANAT 2626 Cranial Nerves IX, X, XI and XII - Sensory...

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Functional Components GSE: III, IV, VI, XII GVE (parasympathetic): III, VII , IX, X GVA: VII, IX, X GSA: V, VII, IX, X SVE: V, VII, IX, X , XI SVA: I, VII, IX, X (seeing, hearing, smell, taste) SSA: II, VII (balance)
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Representative Hindbrain Nuclei CN XII: GSE N. ambiguus: SVE (always motor) Hard to find DMNV (dorsal motor nucleus of the vagus, part of the parasympathetic):GVE Nucleus solitarius: GVA, SVA (receive info of stomach distention, taste, how much O2 in the blood) Spinal trigeminal nucleus: GSA (touch info) Vestibular N.: SSA (balance and hearing) Cochlear N.: SSA (hearing and balance)
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Glossopharyngeal Motor Nucleus ambiguus Sensory Nucleus of the solitary tract (NTS) Spinal Trigeminal Nucleus (SPTTN) Parasympathetic Inferior Salivatory Nucleus
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Vagus Motor Nucleus ambiguus – the motor component that innervates throat movement
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Unformatted text preview: Sensory Nucleus of the solitary tract (NTS) baroreception, chemoreception, distension Spinal Trigeminal Nucleus (SPTTN) touch on the ear Parasympathetic Dorsal motor nucleus of the vagus (DMNV) saliva to the parotid gland? Accessory Spinal (motor to pharyngeal mm.) Motor to sternocleidomastoid and trapezius C1 C5 (from ventral horn) enters skull through the foramen magnum Cranial (goes to pharyngeal and laryngeal muscles to help talking and swallowing) Nucleus ambiguus Leaves skull through the jugular foramen (and then splits) Hypoglossal N. medial to the dorsal nucleus of the vagus GSE -intrinsic and extrinsic muscles of the tongue **has nothing to do with taste** Leaves skull through the hypoglossal foramen...
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ANAT 2626 Cranial Nerves IX, X, XI and XII - Sensory...

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