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GA 2 > FINALS: Tongue > Flashcards

FINALS: Tongue Flashcards

0
Q

Divides the tongue into right and left

A

Median fibrous septum

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1
Q

A mass of striated skeletal muscle

Covered with mucous membrane

A

Tongue

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2
Q

Tongue is attached to the 3

A

Styloid process
Soft palate - above
Mandible and hyoid bone - below

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3
Q

A v shaped sulcus on the upper surface of the tongue

Divides the tongue into ANT 2/3 (ORAL PART) & POST 1/3 (PHARYNGEAL PART)

A

Sulcus terminalis

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4
Q

A small pit at the apex of the sulcus

An embryonic remnant, marks the site of the upper end of the thyroglossal duct

A

Foramen cecum

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5
Q

Three types of papillae on ant 2/3

A

Filiform
Fungiform
Vallate

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6
Q

Post third of tongue is devoid of papillae but has

A

Lingual tonsil

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7
Q

A fold of mucous membrane connecting the under surface of the tongue to the floor of the mouth

A

Frenulum of the tongue

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8
Q

Vein seen On the lateral side of the frenulum

A

Deep lingual vein

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9
Q

2 types of muscles of the tongue

A

Intrinsic

Extrinsic

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10
Q

Confined to the tongue

Not attached to bone

A

Intrinsic muscles

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11
Q

Intrinsic muscles consists 3 types of fibers

A

Longitudinal
Transverse
Vertical

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12
Q

Nerve supply of inteinsic muscles

A

Hypoglossal nerve

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13
Q

Action of intrinsic muscles

A

Alter shape of tongue

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14
Q

Attached to bones and soft palate

A

Extrinsic muscles

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15
Q

4 extrinsic muscles

A

Genioglossus
Palatoglossus
Styloglossus
Hyoglossus

16
Q

Nerve of extrinsic fibers

A

Hypoglossal nerve

17
Q

Movts of tongue PRDRS

A 
Protrusion
Depression
Retraction
Retraction and elevation of post third
Shape changes
18
Q

Muscles in Protrusion

A

Genioglossus

19
Q

Muscles: retraction

A

Styloglossus

Hyoglossus

20
Q

Muscles: depression

A

Hyoglossus

21
Q

Muscles: retraction and elevation of post 3rd

A

Styloglossus

Palatoglossus

22
Q

Muscle: shape changes

A

Intrinsic muscles

23
Q

Blood supply of the tongue 3

A

Lingual artery
Tonsilar branch of facial artery
Ascending pharyngeal artery

24
Q

The veins of tongue drains into the

A

Ijv

25
Q

Lymph drainage
Tip:
Sides of ant 2/3:
Post 3rd:

A

Tip: submental lymph nodes
Sides of ant 2/3: submandibular and deep cervical lymph nodes
Post 3rd: deep cervical lymph nodes

26
Q

Sensory innervation on the ant 2/3

A

Lingual nerve branch of mandibular division of trigeminal nerve
CHORDA TYMPANI Branch of the Facial nerve

27
Q

Sensory innervation of post 3rd

A

Glossopharyngeal nerve

GA 2 (21 decks)

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