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Head And Neck > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Two parts of the oral cavity

A

Oral vestibule

Oral cavity proper

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2
Q

Oral vestibule

A

Slit-like space between the lips and cheeks anteriorly and laterally and the teeth and gingivae post and medially

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3
Q

What is included in the oral cavity

A

Lips

Philtrum

Vermillion border

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4
Q

What do the lips contain

A

Orbicularis oris

Sup and inf labial muscles

Vessels

Nerves

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5
Q

Vertical groove in the upper lip

A

Philtrum

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6
Q

Transitional zone between the skin and mucous membrane

A

Vermillion border

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7
Q

What supplies the upper lip

A

Sup labial branches of the facial and infraorbital arteries

Sup labial branches of the infraorbital nerves (CNV2)

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8
Q

Lymph in the upper lip passes primarily to the:

A

Submandibular lymph nodes

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9
Q

What supplies the lower lip

A

Inf labial branches of the facial and mental arts

Inf labial branches of mental nerves (CN V3)

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10
Q

Lymph from lateral parts of the lower lip passes initially to:

While the medial part passes to:

A

Submandibular lymph nodes

Submental lymph nodes

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11
Q

The tongue is partly in the:

And partly in the:

A

Oral cavity proper

Oropharynx

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12
Q

Surfaces of the tongue

A

Curves dorsal surface (dorsum) and an inferior surface

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13
Q

Parts of the tongue

A

Root

Body

Apex

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14
Q

The root of the tongue lies within the ______, post to the __ __. It consists of:

A

Oropharynx

Terminal sulcus

Lingual tonsil

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15
Q

Anterior 2/3 of the tongue

A

Body

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16
Q

Posterosuperior surface of the tongue

A

Dorsum of the tongue

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17
Q

What separates the anterior 2/3 from the post 1/3 of the tongue

A

Terminal sulcus

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18
Q

A small pit of the remnant of the thyroglossal duct from which the thyroid gland developed

A

Foramen cecum

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19
Q

Where are the lingual papillae located

A

On the ant part of the tongue

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20
Q

Large papillae that lie directly ant to the terminal sulcus

A

Vallate papillae

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21
Q

The vallate papillae consis of :

A

Taste buds and ducts of serous lingual glands (von ebner) open into these papillae

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22
Q

Foliage papillae are ___ and lies where?

A

Small

On the post lateral margin of the tongue

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23
Q

Foliate papillae contain:

A

Taste buds

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24
Q

Long, numerous papillae, distributed over the dorsum surface of the tongue

A

Filiform papillae

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25
Q

The fungiform papillae are ____ shaped, scattered among the _____ ____, but are most numerous at the ____ and ____.

A

Mushroom

Filiform papillae

Apex and sides of the tongue

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26
Q

Fugiform papillae contain:

A

Taste buds

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27
Q

Divides the tongue into right and left halves

A

Midline groove of the tongue

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28
Q

The inf surface of the tongue is with:

A

This transparent mucous membrane through which can see the underlying deep lingual veins

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29
Q

A large midline fold of mucosa, connecting the tongue to the floor of the mouth

A

Lingual frenulum

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30
Q

At the base o the lingual frenulum, there are openings of the ______ ducts from the _______ salivary glands

A

Submandibular

Submandibular

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31
Q

4 Extrinsic muscles of the tongue alter:

4 Intrinsic muscles of the tongue alter:

A

Position of the tongue

Its shape

32
Q

The lingual septum extends vertically from the:

A

Midline groove of the tongue

33
Q

OIA for genioglossus

A

OR: Sup mental spine of mandible

INS: entire dorsum of tongue. inf most and post most fibers attach to body of hyoid

AC: Bilateral depresses tongue, especially central part, creating a longitudinal furrow.
Unilateral contraction deviates tongue to contralateral side

34
Q

OIA for hyoglossus

A

OR: body and greater horn of hyoid

INS: inf aspects of lateral part of tongue

AC: pulls sides inf and retrude tongue

35
Q

OIA for styloglossus

A

OR: styloid process and stylohyoid ligament

INS: Post margins of the tongue, interdigitating with hypoglossus

AC: recrudescence tongue and elevates sides

36
Q

OIA for palatoglossus

A

OR: palatine aponeurosis of soft palate

INS: Posterolateral margin of tongue

AC: constrict isthmus of faucets, elevating post tongue and depressing soft palate

37
Q

Extrinsic muscles of the tongue

A

Genioglossus

Hyoglossus

Styloglossus

Palatoglossus

38
Q

Intrinsic muscles of the tongue

A

Sup longitudinal

Inf longitudinal

Transverse

Vertical

39
Q

The sup longitudinal muscle is deep to:

It’s action:

A

Mucous membrane of dorsum of tongue

Elevates sides and curls tongue longitudinally

40
Q

The inf longitudinal muscle lies close to ____ surface of the tongue. It’s action:

A

Inf surface

Curls tongue longitudinally

41
Q

Transverse tongue lies deep to ___ __ muscle. It’s action:

A

Sup longitudinal muscle

Narrows and elongates tongue

42
Q

Vertical muscle intersects _____ muscle. It’s action:

A

Transverse

Flattens and broadens the tongue

43
Q

All muscles of the tongue are supplied by the _____ nerve, except for the ____ muscle, which is supplied by the:

A

Hypoglossal nerve (CN XII)

Palatoglossus muscle

Pharyngeal plexus

44
Q

The pharyngeal plexus is formed by motor branches of _____ and sensory branches of ____.

A

Vagus (CN X)

Glossopharyngeal (CN IX)

45
Q

General sensation (touch and temp) in the ant 2/3 of the tongue is supplies by the ____ nerve

A

Lingual (a branch of CN V3)

46
Q

Special sensation (taste) of the ant 2/3 of the tongue is supplies through the _____ ___ ___, except for the ___ ___.

A

Chorda tympani nerve (branch of CN VII)

Vallate papillae

47
Q

The post 1/3 of the tongue and the vallate papillae are supplied by the ______ nerve for both:

A

Glossopharyngeal nerve (CN IX)

General and special sensation (taste)

48
Q

The internal laryngeal nerve is a branch of the ___ nerve. It supplies:

A

Vagus (CN X)

Mostly general and some special sensation to a small area of the tongue just anterior to the epiglottis

49
Q

Fibers that run to the serous glands in the tongue.

These postganglionic fibers come from the ____ ganglion via the ____ fibers

A

Parasympathetic secretomotor fibers

Submandibular ganglion

Sensory

50
Q

The arteries of the tongue derive from the ___ artery, which arises from the ___ ___ artery.

A

Lingual

External carotid

51
Q

What arteries supply the post part, the root of the tongue, and send a tonsillar branch to the palatine tonsil?

A

Dorsal lingual arteries

52
Q

What artery supplies the ant part of the tongue? Where does it anastomose?

A

Deep lingual art

Near the apex of the tongue

53
Q

What artery supplies the sublingual gland and floor of the mouth ?

A

Sublingual art

54
Q

Veins of the tongue

A

Deep lingual veins and sublingual vein

Terminate in the IJV

55
Q

Lymphatic drainage in the post third of the tongue

A

Drains to the sup deep cervical lymph nosed (jugulodigastric lymph nodes) on both sides

56
Q

Lymph drainage on the lateral parts of the ant 2/3 of the tongue

A

Drains to the submandibular lymph nodes

57
Q

Lymphatic drainage of the apex of the tongue and frenulum

A

Drains to submental lymph nodes

58
Q

Lymph drainage for medial part of the ant 2/3 of the tongue

A

Drains to the inf deep cervical lymph nodes (juguloomyohyoid)

59
Q

Salivary glands

A

Parotid gland

Submandibular glands

sublingual glands

Secretion is clear tasteless odorless fluid

60
Q

Function of the salivary glands

A

Keeps mucous membrane moist

Lubricates food during mastication

Prevents tooth decay

61
Q

Small accessory salivary glands are scattered over the:

A

Palate

Lips

Cheeks

Tonsils

Tongue

62
Q

Parotid glands have ___ ___ secretion that passes through the ____ duct and empties into the:

A

Purely serous secretion

Parotid

Vestibule of the oral cavity opposite the 2nd maxillary molar tooth

63
Q

Arterial supply of the parotid glands

A

External carotid and superficial temporal arteries

64
Q

Venous drainage of the parotid glands

A

Veins front he parotid gland drain into the retromandibular veins

65
Q

Submandibular glands extend along the _______ and partly superficial and partly sleep to the _____ muscle. They are ____ glands with a ____ product predominating

A

Body of the mandible

Mylohyoid

Mixed

Serous

66
Q

The submandibular duct arises from the ____ part of the gland, passing from ___ to ___ as it runs ____ to open on a small ___ ____ on each side of the. ____ ____.

A

Deep

Lateral to medial

Anteriorly

Sublingual papilla

Lingual frenulum

67
Q

Arterial supply to the submandibular glands

A

From the submental arteries- branches of facial arteries

68
Q

Venous drainage of the submandibular glands

A

Accompany the arteries

69
Q

Innervation of the submandibular glands:

Preganglionic secretomotor fibers conveyed from the ____ nerve to the ___ nerve (branch of ____ nerve) by the _____ ____ nerve (in ______ fossa).

A

Facial

Lingual

Mandibular

Chorda tympani

Infratemporal

70
Q

For submandibular gland innervation:

After synaptic with _______ neurons in the ____ ganglion, the _____ fibers travel with the ____ to reach the gland, along with ____ ____ ______ fibers from the:

A

Postganglionic

Submandibular

Postganglionic

Arteries

Vasoconstriction postsynaptic sympathetic fibers

Superior cervical ganglion

71
Q

Sublingual glands are ___ shaped glands that lie in the ___ of the mouth between the ____ and the ______ muscle. They are ___ glands with a ______ product predominating

A

Almond

Floor

Mandible

Genioglossus

Mixed

Mucous

72
Q

The sublingual glands from each side unite to form a ____ shaped mass around the ______ _____.

A

Horseshoe

Lingual frenulum

73
Q

Numerous small sublingual ducts open into the ____ of the mouth alongside the ____ ___.

A

Floor

Lingual folds

74
Q

Arterial supply and venous drainage of the sublingual glands

A

From the sublingual and submental arteries - branches of the lingual and facial arteries, respectively

Venous drainage- accompany the arteries

75
Q

Innervation of sublingual glands

A

Same as submandibular

Head And Neck (16 decks)

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