Intrinsic & Extrinsic muscles of tongue Flashcards by Rhiannon Koch

Q

Superior Longitudinal Origin

A

Median fibrous septum

Submucosa near epiglottis

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Q

Superior longitudinal insertion

A

Submucosa edge of tongue

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Q

Superior longitudinal function

A

Shortens tongue

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Q

Superior longitudinal location

A

Immediately deep to the mucousmembrane

Dorsal surface

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Q

Transverse Group origin

A

Median fibrous Septum

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Q

Transverse Group insertion

A

Submucosa of the side of tongue

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Q

Transverse Group function

A

Narrows tongue

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Q

Transverse Group muscles runs?

A

Run along the width of tongue

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Q

Vertical muscle group origin

A

Submucosa upper layer of tongue

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Q

Vertical muscle group insertion

A

Submucoasa lower layer of tongue

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Q

Vertical muscle group function

A

Broadens/flattens tongue

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Q

Vertical muscle group runs?

A

Superior aspect to inferior aspect of tongue

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Q

Genioglossus origin

A

Superior Genial Tubercles of mandible

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Q

Genioglossus insertion

A

Vertral surface of tongue

Body of Hyoid

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Q

Genioglossus function

A

Protrusion & Depression

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Q

Genioglossus muscle group is?

A

fan shaped extrinsic uscle surerior to geniohyoid muscle

Q

Hyoglossus origin

A

Hyoid bone (greater corun & portion of body

Q

Hyoglossus insertion

A

Lateral border of tongue

Q

Hyoglossus function

A

Depression of tongue

Q

Hyoglossus muscle group supplied by?

A

lingual N

Hypoglossal N

Submandibular duct located lateral to this

Q

Styloglossus origin

A

Styloid process

Q

Styloglossus insertion

A

Lateral border tongue

Apex

Border of body & base

Q

Styloglossus function

A

Retract tongue & slightly elevavate

(up & Back)

Q

Styloglossus muscle comments

A

Smallest of the extrinsic tongue muscles

Q

Palatoglossus muscle origin

A

Ant soft palate

Q

Palatoglossus insertion

A

Lateral border of tongue

Q

Palatoglossus function

A

Elevates and narrows tongue

(posterior part up and back)

Q

Palatoglossus comments

A

can be grouped entrinsic muscle

or

soft palate muscle