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Head And Neck > Oral Cavity > Flashcards

Oral Cavity Flashcards

(75 cards)

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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
The fungiform papillae are ____ shaped, scattered among the _____ ____, but are most numerous at the ____ and ____.
Mushroom Filiform papillae Apex and sides of the tongue
26
Fugiform papillae contain:
Taste buds
27
Divides the tongue into right and left halves
Midline groove of the tongue
28
The inf surface of the tongue is with:
This transparent mucous membrane through which can see the underlying deep lingual veins
29
A large midline fold of mucosa, connecting the tongue to the floor of the mouth
Lingual frenulum
30
At the base o the lingual frenulum, there are openings of the ______ ducts from the _______ salivary glands
Submandibular Submandibular
31
4 Extrinsic muscles of the tongue alter: 4 Intrinsic muscles of the tongue alter:
Position of the tongue Its shape
32
The lingual septum extends vertically from the:
Midline groove of the tongue
33
OIA for genioglossus
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
OIA for hyoglossus
OR: body and greater horn of hyoid INS: inf aspects of lateral part of tongue AC: pulls sides inf and retrude tongue
35
OIA for styloglossus
OR: styloid process and stylohyoid ligament INS: Post margins of the tongue, interdigitating with hypoglossus AC: recrudescence tongue and elevates sides
36
OIA for palatoglossus
OR: palatine aponeurosis of soft palate INS: Posterolateral margin of tongue AC: constrict isthmus of faucets, elevating post tongue and depressing soft palate
37
Extrinsic muscles of the tongue
Genioglossus Hyoglossus Styloglossus Palatoglossus
38
Intrinsic muscles of the tongue
Sup longitudinal Inf longitudinal Transverse Vertical
39
The sup longitudinal muscle is deep to: It’s action:
Mucous membrane of dorsum of tongue Elevates sides and curls tongue longitudinally
40
The inf longitudinal muscle lies close to ____ surface of the tongue. It’s action:
Inf surface Curls tongue longitudinally
41
Transverse tongue lies deep to ___ __ muscle. It’s action:
Sup longitudinal muscle Narrows and elongates tongue
42
Vertical muscle intersects _____ muscle. It’s action:
Transverse Flattens and broadens the tongue
43
All muscles of the tongue are supplied by the _____ nerve, except for the ____ muscle, which is supplied by the:
Hypoglossal nerve (CN XII) Palatoglossus muscle Pharyngeal plexus
44
The pharyngeal plexus is formed by motor branches of _____ and sensory branches of ____.
Vagus (CN X) Glossopharyngeal (CN IX)
45
General sensation (touch and temp) in the ant 2/3 of the tongue is supplies by the ____ nerve
Lingual (a branch of CN V3)
46
Special sensation (taste) of the ant 2/3 of the tongue is supplies through the _____ ___ ___, except for the ___ ___.
Chorda tympani nerve (branch of CN VII) Vallate papillae
47
The post 1/3 of the tongue and the vallate papillae are supplied by the ______ nerve for both:
Glossopharyngeal nerve (CN IX) General and special sensation (taste)
48
The internal laryngeal nerve is a branch of the ___ nerve. It supplies:
Vagus (CN X) Mostly general and some special sensation to a small area of the tongue just anterior to the epiglottis
49
Fibers that run to the serous glands in the tongue. These postganglionic fibers come from the ____ ganglion via the ____ fibers
Parasympathetic secretomotor fibers Submandibular ganglion Sensory
50
The arteries of the tongue derive from the ___ artery, which arises from the ___ ___ artery.
Lingual External carotid
51
What arteries supply the post part, the root of the tongue, and send a tonsillar branch to the palatine tonsil?
Dorsal lingual arteries
52
What artery supplies the ant part of the tongue? Where does it anastomose?
Deep lingual art Near the apex of the tongue
53
What artery supplies the sublingual gland and floor of the mouth ?
Sublingual art
54
Veins of the tongue
Deep lingual veins and sublingual vein Terminate in the IJV
55
Lymphatic drainage in the post third of the tongue
Drains to the sup deep cervical lymph nosed (jugulodigastric lymph nodes) on both sides
56
Lymph drainage on the lateral parts of the ant 2/3 of the tongue
Drains to the submandibular lymph nodes
57
Lymphatic drainage of the apex of the tongue and frenulum
Drains to submental lymph nodes
58
Lymph drainage for medial part of the ant 2/3 of the tongue
Drains to the inf deep cervical lymph nodes (juguloomyohyoid)
59
Salivary glands
Parotid gland Submandibular glands sublingual glands Secretion is clear tasteless odorless fluid
60
Function of the salivary glands
Keeps mucous membrane moist Lubricates food during mastication Prevents tooth decay
61
Small accessory salivary glands are scattered over the:
Palate Lips Cheeks Tonsils Tongue
62
Parotid glands have ___ ___ secretion that passes through the ____ duct and empties into the:
Purely serous secretion Parotid Vestibule of the oral cavity opposite the 2nd maxillary molar tooth
63
Arterial supply of the parotid glands
External carotid and superficial temporal arteries
64
Venous drainage of the parotid glands
Veins front he parotid gland drain into the retromandibular veins
65
Submandibular glands extend along the _______ and partly superficial and partly sleep to the _____ muscle. They are ____ glands with a ____ product predominating
Body of the mandible Mylohyoid Mixed Serous
66
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. ____ ____.
Deep Lateral to medial Anteriorly Sublingual papilla Lingual frenulum
67
Arterial supply to the submandibular glands
From the submental arteries- branches of facial arteries
68
Venous drainage of the submandibular glands
Accompany the arteries
69
Innervation of the submandibular glands: Preganglionic secretomotor fibers conveyed from the ____ nerve to the ___ nerve (branch of ____ nerve) by the _____ ____ nerve (in ______ fossa).
Facial Lingual Mandibular Chorda tympani Infratemporal
70
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:
Postganglionic Submandibular Postganglionic Arteries Vasoconstriction postsynaptic sympathetic fibers Superior cervical ganglion
71
Sublingual glands are ___ shaped glands that lie in the ___ of the mouth between the ____ and the ______ muscle. They are ___ glands with a ______ product predominating
Almond Floor Mandible Genioglossus Mixed Mucous
72
The sublingual glands from each side unite to form a ____ shaped mass around the ______ _____.
Horseshoe Lingual frenulum
73
Numerous small sublingual ducts open into the ____ of the mouth alongside the ____ ___.
Floor Lingual folds
74
Arterial supply and venous drainage of the sublingual glands
From the sublingual and submental arteries - branches of the lingual and facial arteries, respectively Venous drainage- accompany the arteries
75
Innervation of sublingual glands
Same as submandibular

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