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Anatomy Final > oral cavity > Flashcards

oral cavity Flashcards

(58 cards)

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1
Q

Identify

A

pterygoid hamulus

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2
Q

identify

A

palatine process of maxilla

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3
Q

identify black arrow and green arrow

A

black: horizontal plate of palatine bone
green: incisive foramen

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4
Q

red arrow

A

greater palatine foramen

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5
Q

identify green

A

lesser palatine foramina

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6
Q

What are the two portions of the mouth seperated by the teeth

A
  • oral vestibule: teeth to cheek
  • oral cavity proper: inside teeth
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7
Q

maxillary teeth are supplied sensory innervation by what nerve

A

superior alveolar nerves: numerous branches of CN V2

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8
Q

Sensory innervation to Mandibular teeth are supplied by what nerve

A

inferior alveolar nerve: primary branch of CN V3

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9
Q

Palate can be broken down into 2 sections, name them?

A
  • hard palate (anterior 2/3)
  • soft palate (posterior 1/3)
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10
Q

Identify A.

A

tensor veli palatini

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11
Q

identify E

A

Levator veli palatini

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12
Q

origin and insertion of tensor veli palatina and levator veli palatini

A

Origin: cartilagenous auditory (pharyngotympanic) tube

insertion: soft palate

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13
Q

Which palate muscle wraps around pterygoid hamulus

A

tensor veli palatini

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14
Q

Innervation and action of tensor veli palatini

A

N: CN V3

A: tense soft palate

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15
Q

innervation and action of levator veli palatini

A

N: CN X

A: elevate soft palate

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16
Q

If patient’s uvula is deviated, what does this signify?

A

vagus nerve impaired: levator veli palatini is not working. Uvula will point toward working side

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17
Q

identify green arrow

A

cartilagenous auditory (pharyngotympanic) tube

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18
Q

identify green box

A

palatoglossus m.

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19
Q

identify red box

A

palatopharyngeus m.

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20
Q

origin and insertion of palatoglossus and palatopharyngeus muscle

A

O: both originate on soft palate

I: Pg: lateral side of posterior tongue

Pp: lateral wall of pharynx

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21
Q

innervation and action of palatoglossus and paltapharyngeus

A

N: vagus n (CN X)

A: Pg: elevate tongue

Pp: elevate pharynx

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22
Q

What 2 arches are formed from the muscle pairs of bilat palatoglossus and palatopharyngeus m.

A

palatoglossal arch

palatopharyngeal arch

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23
Q

What lies between the palatoglossus and palatopharyngeus mm.

A

palatine tonsil

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24
Q

The descending palatine artery, A branch off of the maxillary artery, splits into what 2 arteries that supply the palate?

Study These Flashcards
A
  • greater palatine artery: hard palate
  • lesser palatine artery: soft palate
25
What branches off of the pterygopalatine ganglion innervate the palate
* greater palatine nerve: hard palate * lesser palatine nerve: soft palate
26
identify A and B
a: Lingual tonsil b: valate papilla
27
Intrinsic muscles of the tongue that provide fine control of tongue are innervated by what nerve
hypoglossal CN XII
28
identify
Genioglossus m.
29
green arrow
styloglossus m.
30
blue arrow
hyoglossus m.
31
palatoglossus m. is innervated by what ?
CN X
32
deviated tongue signifies what?
lesion to hypoglossal nerve causing atrophy on ipsilateral side
33
lingual artery comes off of what artery? What is a branch off of the lingual artery?
* external carotid a. * deep lingual artery
34
Where does the lingual vein come from? What is a branch off of the lingual vein
* internal jugular vein * deep lingual vein * lie near the inferior surface of the tongue and can be used as a site of drug absorption
35
what nerve supplies general sensory to anterior 2/3 tongue
lingual n. from CN V3
36
what nerve supplies special sensory taste to anterior 2/3 tongue
chorda tympani (From CN VII) hitchhiking of lingual n.
37
general sensory and special sensory (taste) to posterior 1/3 of tongue is supplied by what nerve
glossopharyngeal n. with small contribution from vagus (CN X)
38
How can you differentiate betwwen lingual nerve and hypoglossal nerve (CN XII)
lingual nerve runs superiorly over lateral surface of hyoglossus m. whereas hypoglossal nerve runs inferiorly
39
What 3 things run through the parotid gland
* motor branches of facial nerve * retromandibular vein * external carotid artery
40
identify
* blue arrow: submandibular gland * red arrow: submandibular duct
41
Name distinguishing features of submandibular duct
* emerges from portion of gland superior to mylohyoid * corsses lingual nerve superiorly * empties via sublingual caruncle
42
Name distinguishing features of sublingual gland
* deep to mucosa of the floor of oral cavity * empties via numerous ducts in sublingual folds
43
Name pathway of innervation to ssubmandibular and sublingual glands
CN VII-\> chorda tympani n. -\> hitch-hike on lingual n. (CN V3) -\> submandibular ganglion (synapse) * direct branches to submandibular gland * back to lingual n. -\> siblingual gland
44
sympathetic innervation to salivary glands
* via external carotid plexus * lingual and facial artery plexus
45
The pharyngeal constrictors have what insertion and what innervation
* insertion: midline pharyngeal raphe * innervation: vagus n
46
Origin of the superior, middle, and inferior pharyngeal constrictor muscles
* superior: pterygomandibular raphe * middle: greater horn of hyoid * inferior: thyroid and cricoid cartilage
47
What is the weak point in pharynx in inferior constrictor called. What can happen here
* Killian's triangle * common site of esophageal diverticulum formation
48
Red arrow? What is it innervated by
* Salpingopharyngeus * vagus n.
49
identify. What is it innervated by
* palatopharyngeus m. * vagus n.
50
identify. what is its innervation
* stylopharyngeus m. * glossopharyngeal n.
51
What structure lies in the nasopharynx and is the end of the cartilaginous auditory tube?
torus tubarius
52
What nerves runs on the posterolateral surface of the stylopharyngeus m. in the oropharynx
glossopharyngeal (CN IX)
53
What nerve supplies sensory innervation to pharynx
glossopharyngeal n (CN IX)
54
What nerve supplies motor sensation to pharynx
* vagus n (CN VII) * glossopharyngeal (CN IX) to stylopharyngeus
55
What nerves supply gag reflex
* sensory limb: CN IX * motor limb: CN X
56
Lateral pharyngeal space
potential space between fascia surrounding pharynx * can easily collect infected material from oral cavity and palatine tonsils
57
tonsilar ring contains what tonsils
* palatine tonsils * lingual tonsils * pharyngeal tonsils
58
Identify a and d
a: torus tubarius d: salpingopharyngeal fold

Anatomy Final (14 decks)

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