The Tongue Flashcards

1
Q

What are the intrinsic muscles

A

Superior and inferior longitudinal muscles

Transverse and vertical muscles

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2
Q

What are the extrinsic muscles of the tongue

A

Genio glossus
Hypoglossus
Styloglossus
Palatoglossus

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3
Q

What si the movement of the genioglossus

A

Inferior fibres - protrude tongue
Middle fibres - depress tongue
Superior fibres - draw tio back and down

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4
Q

What are the movements of the hypoglossus

A

Depression and retraction of the tongue

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5
Q

What si the movement of the styloglossus

A

Retraction and elevation

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6
Q

What’s it eh movement of the palatoglossus

A

Elevates the posterior aspect of the tongue

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7
Q

What supples the anterior 2/3 tongue general sensation

A

Trigeminal nerve

Lingual nerve from V3

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8
Q

What supplies the special sensory for the anterior 2/3 of the tongue

A

Facial nerve with chorda tympani

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9
Q

What does the glossopharyngel supply for the tongue

A

Posterior 1/3 taste and touch sensation

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10
Q

What drains the tongue supply

A

Lingual vein

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11
Q

What supplies the tongue with arterial supply

A

Lingual artery and bit of facial artery (tonsilar artery)

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12
Q

What si the longitudinal sulcus down the midline of the tongue called

A

Median sulcus

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13
Q

What si the transverse line at the posterior aspect of the tongue

A

Sulcus terminalis

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14
Q

What an the foramen caecum

A

Where the median sulcus meets the transverse terminalis

Forming a pit

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15
Q

What’s it the structure that the hypoglossal nerve interacts with to supply the ,is less of the tongue

A

Ansa cervicalis

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16
Q

What si the odd extrinsic muscle

A

Palatoglossus which is innervated by vagus

17
Q

The Ansa cervicalis consists of

A

C1,2,3

Hypoglossal branch

18
Q

What else does the Ansa cervicalis innervate

A

Motor to genio hyoid - elevate hyoid
Thyrohyoid - depress hyoid
C3 involved which supply omohyoid sterenothyroid and sterenohyoid

19
Q

How do u clinically test the hypoglossal nevre

A

Ask pt to stick tongue out
Should stick out midline
If points to a side that means there is damage at that hypoglossal nerve

20
Q

What is want by intrinsic muscles

A

They only attach from the tongue and in the tongue