Intrinsic & Extrinsic muscles of tongue Flashcards

1
Q

Superior Longitudinal Origin

A

Median fibrous septum

Submucosa near epiglottis

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2
Q

Superior longitudinal insertion

A

Submucosa edge of tongue

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3
Q

Superior longitudinal function

A

Shortens tongue

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4
Q

Superior longitudinal location

A

Immediately deep to the mucousmembrane

Dorsal surface

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5
Q

Transverse Group origin

A

Median fibrous Septum

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6
Q

Transverse Group insertion

A

Submucosa of the side of tongue

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7
Q

Transverse Group function

A

Narrows tongue

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8
Q

Transverse Group muscles runs?

A

Run along the width of tongue

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9
Q

Vertical muscle group origin

A

Submucosa upper layer of tongue

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10
Q

Vertical muscle group insertion

A

Submucoasa lower layer of tongue

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11
Q

Vertical muscle group function

A

Broadens/flattens tongue

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12
Q

Vertical muscle group runs?

A

Superior aspect to inferior aspect of tongue

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13
Q

Genioglossus origin

A

Superior Genial Tubercles of mandible

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14
Q

Genioglossus insertion

A

Vertral surface of tongue

Body of Hyoid

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15
Q

Genioglossus function

A

Protrusion & Depression

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16
Q

Genioglossus muscle group is?

A

fan shaped extrinsic uscle surerior to geniohyoid muscle

17
Q

Hyoglossus origin

A

Hyoid bone (greater corun & portion of body

18
Q

Hyoglossus insertion

A

Lateral border of tongue

19
Q

Hyoglossus function

A

Depression of tongue

20
Q

Hyoglossus muscle group supplied by?

A

lingual N

Hypoglossal N

Submandibular duct located lateral to this

21
Q

Styloglossus origin

A

Styloid process

22
Q

Styloglossus insertion

A

Lateral border tongue

Apex

Border of body & base

23
Q

Styloglossus function

A

Retract tongue & slightly elevavate

(up & Back)

24
Q

Styloglossus muscle comments

A

Smallest of the extrinsic tongue muscles

25
Q

Palatoglossus muscle origin

A

Ant soft palate

26
Q

Palatoglossus insertion

A

Lateral border of tongue

27
Q

Palatoglossus function

A

Elevates and narrows tongue

(posterior part up and back)

28
Q

Palatoglossus comments

A

can be grouped entrinsic muscle

or

soft palate muscle