Flashcards of Head and Neck Anatomy (Unit 4)

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What is the Function of Genioglossus Muscle?
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Protrude tongue

All tongue muscles are innervated by CN XII Except?
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Palatoglossus

Styloglossus Muscle is innervated by?
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Hypoglosaal Nerve

Taste Sensation from Posterior 1/3 of Tongue is Carried by?
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CN IX Nerve

Which muscles attach to Genial Tubercles?
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Genioglossus and the Geniohyoid

The sense of taste of Tongue is mediated by which Nerves?
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■ VII Nerve ■ IX Nerve ■ X Nerve

What is the Function of Styloglossus Muscle?
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Pull tongue up and back

All tastebuds are vascular Except?
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Filiform

What is the Function of Palatoglossus Muscle?
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Pull tongue up and back (toward palate)

The tongue is derived from?
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First Four Pharyngeal Arches

Taste Sensation from Anterior 2/3 of Tongue is Carried by?
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CN VII: Chorda tympani nerve travels via lingual nerve (of V3) to the geniculate ganglion

What is the Function of Hyoglossus Muscle?
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Depress tongue, Pull down sides (retracts)

General Sensation of Tongue is Mediated by which Nerves?
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■ V3 Nerve ■ IX Nerve ■ X Nerve

The tongue is innervated by?
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Associated Nerves of those arches: Arch 1 (V), Arch 2 (VII), Arch 3 (IX), and Arch 4 (X).

Where Do Veins of Tongue Drain?
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Internal Jugular Vein

Palatoglossus Muscle is innervated by?
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X (pharyngeal plexus)

Genioglossus Muscle is innervated by?
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Hypoglosaal Nerve

What is the Origin of Genioglossus Muscle?
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Genial tubercles

What is blood supply of Tongue?
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Lingual artery

Hyoglossus Muscle is innervated by?
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Hypoglosaal Nerve

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