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SP2017 Anatomy Exam#2 > Lecture 11- Oral Cavity and Palate > Flashcards

Lecture 11- Oral Cavity and Palate Flashcards

(84 cards)

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1
Q

Posterior extent of oral cavity

A

oropharyngeal isthmus

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2
Q

Orbicularis oris is innervated by ..

A

CNVII

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3
Q

The 1st arch at the posterior etent of the oral cavity is the…

A

palatoglossus

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4
Q

The 2nd arch in the oral cavity is…

A

palatopharyngeous (which is considered part of the oropharynx as well as the palatine tonsil)

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5
Q

… and… are the predominant mm. of the soft palate along with the uvular muscle

A

tensor veli palatini and levator veli palatini

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6
Q

The tensory veli palatini muscle is between the…

A

medial and lateral pterygoid plates

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7
Q

The inferior extent of the tensor veli palatini muscle/where the tendon connects hooks underneath the…

A

hamulus

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8
Q

Tensor veli palatini is vertical and across the soft palate is the…

A

aponeurosis

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9
Q

From posterior view of soft palate you can see…. muscle which is posterior and medial to … muscle.

A

levator veli palatini

tensor

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10
Q

The… artery which is a branch of… is the vascular supply of the palate

A 
descending palatine (greater and lesser palatine)
maxillary
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11
Q

The greater palatine artery supplies the… palate

A

anterior/hard

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12
Q

The lesser palatine artery supplies the… palate

A

posteior/soft

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13
Q

The … artery, a branch (from facial a.) also supplies the palate. Along with…. artery which is a branch of ascending pharyngeal artery (from ECA)

A
  • ascending palatine

- palatine

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14
Q

Venous drainage of the palate is via the

A

pterygoid and pharyngeal plexuses

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15
Q

The nasopalatine nerve will come out of the incisive foramen to anastomose with… on the palate

A

greater palatine nerve

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16
Q

The greater palatine artery will go through the incisive foramen to anastomose with… in the nasal cavity

A

sphenopalatine artery

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17
Q

Innervation of the palate (sympathetic and parasympathetic) come from greater petrosal (CNVII) and deep petrosal into the ganglion and then to the palate through which nerves?

A

nasopalatine
greater palatine
lesser palatine

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18
Q

What nerve innervates Tensor veli palatini muscle? This soft palate innervation is different from all the others

A

CNV3-mandibular

embyrologic 1st arch

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19
Q

The Levator veli palatini, palatoglossus, palatopharyngeus, uvular and salpingopharyngeus are all soft palate mm. that are innervated by…

A

CNX - Vagus

embryologic arches 4-6

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20
Q

The palatine tonsils have 5 arterial branches supplying it:

A 
tonsillar branches of:
1. Lesser palatine
2. Ascending pharyngeal
3. Ascending palatine
4. Facial
Dorsal Lingual
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21
Q

Palatine tonsils may be removed but heavy bleeding may occur. Bleeding from… is common

A

paratonsillar v.

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22
Q

CN…. lies on lateral pharyngeal wall of tonsillar bed, it is on its way to…. and has a tonsillar branch

A
  • IX (glossopharyngeal)

- posterior 1/3 of tongue

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23
Q

Submandibular duct is also called… duct

A

wharton’s

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24
Q

The opening of the submandibular duct is located at the …

A

sublingual caruncle

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25
Submandibular gland is... and extraoral
intraoral
26
Submandibular duct stays medial to... gland
sublingual
27
The ... nerve emerges between the two pterygoid mm. and enters oral cavity beneath superior constrictor and then will cross the ..duct twice (goes underneath first)
- lingual | - submandibular
28
Lingual nerve is a branch of..
CNV3
29
The submandibular ganglion is providing.... innervation from... to.... glands. It is at the level of...
- parasympathetic - chorda tympani (from VII) - sublingual and submandibular - 3rd mandibular molar
30
Sympathetic fibers to sublingual and submandibular glands are from...
external carotid plexus
31
Chorda tympani (from VII) carries.... fibers and synapses in the... ganglion
- presynaptic parasympathetic | - submandibular
32
The submandibular ganglion is suspended from... nerve by 2 or more short nerve branches
Lingual
33
The hypoglossal nerve is deep to... and.... mm.
-posterior belly of digastric and stylohyoid
34
The hypoglossal nerve runs anterior between ... gland and ... muscle
- submandibular | - hyoglossus
35
Hypoglossal nerve is... to lingual nerve and ... to mylohyoid muscle and it ends in ... tongue to provide... innervation
- inferior - superior - posterior - motor
36
Parotid gland is innervated by...
CNIX
37
Glossopharyngeal n. travels between... and.... runs lateral to... to enter pharynx. It then continues anteriorly through the.... and ends in ... tongue to receive sensory innervation (general sensory and special sensory)
- superior and middle constrictor mm. - stylopharyngeus - tonsillar region - posterior
38
Extrinsic mm of the tongue (4)
palatoglossus styloglossus hyoglossus genioglossus
39
Intrinsic mm. of tongue
superior longitudinal inferior longitudinal vertical transverse
40
Palatoglossus is innervated by... which is also innervating most of soft palate except tensor which is innervated by
CNX | CNV3
41
The intrinsic muscles of the tongue are innervated by ... as well as the extrinsic mm. (genioglossus, hyoglossus, styloglossus) except palatoglossus which is innervated by..
CNXII | CNX
42
The genioglossus muscle is ... and fused in midline and serves to... the tongue
- paired | - protrude
43
.... of CNXII affects straight protrusion of the tongue
unilateral paralysis
44
A lesion of CNXII is a LMN and it will result in a deviation of tongue toward... this is because the intact side protrudes more than affected side
paralyzed side
45
Bilateral paralysis of CNXII results in ... or more seriously may cause...
- inability to protrude tongue | - tongue to fall back and occlude airway (suffocation)
46
Oral cavity arterial supply: 1. ... supplies most superficial strutures 2. .... supplies buccinator 3. ... supplies most of deeper structures
1. facial a. 2. maxillary a. 3. lingual a,
47
The lingual artery has these 3 branches
1. dorsal lingual a. 2. deep lingual a. 3. sublingual a.
48
The first branch of lingual artery... will branch first
dorsal lingual a.
49
Lingual a. will bifurcate with... which will go anterior into body of anterior tongue and... which will stay deep and go to anterior
deep lingual | sublingual
50
The.... a branch of... receives taste from anterior 2/3 of tongue and then travels with lingual n.
chorda tympani | CNVII
51
The... nerve receives taste from 1/3 posterior tongue
CNIX (glossopharyngeal)
52
The... nerve receives taste from root of tongue and epiglottis
CNX (vagus)
53
The... nerve branch of... receives general sensory for anterior 2/3 of tongue
lingual | CNV3
54
The... nerve receives general sensory for 1/3 posterior tongue
CNIX (glossopharyngeal)
55
The... nerve receives general sensory for root of tongue and epiglottis
CNX (vagus)
56
The... nerve is the temrinal branch of IAN
mental
57
The primary epithelium of the oral cavity is.... epithelium
nonkeratinized stratified squamous
58
In certain areas of the oral cavity, there is a keratinized and parakeratinized (transition area) stratified squamous epithelium. These areas include...
hard palate, gingiva and dorsum of tongue which is part of the masticatory mucosa
59
The filiform papillae are most... , they are highly .... and ... in shape which face posteriorly. Do they have tastebuds?
- numerous - keratinized - conical - NO
60
The fungiform papillae are less.... and they are lightly.... and red Do they have tastebuds?
- numerous - keratinized - YES
61
The foliate papillae/ folds are found... but are usually lost through... Are they keratinized? Do they have tastebuds?
- on lateral tongue - adolescence - no - YES
62
The vallate (circumvallate) papillae are... and there are only about... of them and they have a .... around them. Are they keratinized Do they have tastebuds?
``` large 8-12 "moat" -no or only slightly -YES ```
63
The taste bud has... cells which receive the chemoreception, and around them are... cells and at then at the apex is a... at the base are... cells (stem cell layer)
- neuroepithelial/gustatory - supporting - taste pore - basal
64
Enamel is made by and what is the predominant substances
ameloblasts | calcium HA
65
Dentin is produced by
odontoblasts
66
The periodontium includes...
cementum periodontal ligaments alveolar bone gingiva
67
The major salivary glands are ... paired and produce...% of saliva
- 3 | - 90%
68
The minor salivary glands are... and produce.. % of saliva
- numerous | - 10%
69
The salivary glands have two major cell types
serous | mucous
70
The... cells are polarized, protein-secreting, pyramidal, have zymogen granules and are very bsaophilic (RER and ribosomes)
serous
71
The.. cells produce hydrophilic glycoprotein mucins and are cuboidal or columnar in shape
mucous
72
The... cells are within basal lamina of secretory unit and contrats and sccelerates secretion and prevents distension when lumen fills
myoepithelial
73
An... is a blind sac composed of secretoy cells. there are 3 kinds:
- acinus | - serous, mucous, mixed
74
Serous acini are generally... shaped
spherical
75
mucous acini are generally ... shaped
tubular
76
In traditional fixation methods, mucous acini appear to have a cap of ... which is an artifact
serous cells (serous demilunes)
77
The salivon is composed of...
acinus intercalated duct striated duct excretory duct
78
The parotid gland is mostly ... cells in the acinus only
serous
79
The submandibular gland is mostly... cells but has some... too
serous | mucous
80
The sublingual gland is mostly.... cells with only a small amt of... cells
mucous | serous
81
The ducts of glands are continuous with acini and there are 3 segments:
intercalated ducts striated ducts excretory ducts
82
The... gland is largest, is extraoral and has a long excretory duct which comes out at the... papilla located at... It has ... acinar, mostly... cells. And you can see ...cells which you dont see in other glands
- parotid - parotid papilla - 2nd molar - branched - serous - adipose
83
The... gland is located...and... has a long excretory duct which terminates in the... and has ... acinar and what kind of cells?
- intraoral - extraoral - sublingual caruncles - branched tubular - mixed but mostly serous
84
The... gland is the smallest of the 3 major and is located in the... it has multiple ducts in the... fold and is ... acinar. It has ... cells
- sublingual - floor of mouth/intraoral - sublingual - branched tubuloacinar - mixed but mostly mucous

SP2017 Anatomy Exam#2 (14 decks)

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