Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Head and Neck 2 > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Oral Cavity

Roof

Floor

Lateral walls

Anterior aperture

Posterior aperture

A
  • roof
    • Hard palate and soft palate
  • Floor
    • Soft tissue
    • Muscles
    • Tongue
  • Lateral walls
    • Cheeks
  • Anterior aperture
    • Oral fissure
  • Posterior aperture
    • Oropharyngeal isthmus
    • Opening into pharynx
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cheeks

random facts

A
  • Parotid papilla
    • In cheek opposite 2nd molars
    • Pterygomandibular raphe is posterior border
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cheeks innervation

Motor

Sensation

A
  • Motor
    • Buccal branch of CN 7
  • Sensory
    • Buccal branch of CN V3
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Innervation for oral cavity

Sensory

Special sensory

A
  • Sensory
    • CN V2 and CN V3
  • Taste
    • CN 7 and 9 hitchhiking on CN 5
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Innervation of oral cavity

Motor tongue

motor muscle of soft palate

A
  • Motor tongue
    • CN 10 12
  • Mostor soft palate
    • CN 10 and CN V3
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Floor of oral cavity

4

A
  • Mylohyoid
    • Muscular diaphragm
  • Geniohyoid
    • superior to mylohyoid
  • tongue
    • sup to geniohyoid
  • Salivary glands and ducts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Gate way into oral cavity

Borders

(Same as 2nd pharyngeal aperture)

A
  • Mylohyoid
  • Superior constrictor
  • Middle constrictor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gateway to floor of oral cavity

what passes through

muscles3

1

arteries and veins 3

Nerves 3

lymphatics

A
  • Styloglossus, stylopharyngeus, hyoglossus
  • Styloid ligament
  • Lingual art and vein (from facial), tonsilar art
  • Lingual n, glossopharyngeal n, hypoglossal n.
  • Submandibular lymph node
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

tongue

forms part of

root attached to

divided into

A
  • Forms oral cavity floor, anterior wall of oropharynx
  • Root attached to mandible and hyoid
  • Divided into 2 parts
    • Body/oral part, movable
      • ant 2/3
      • keratinized stratified squamous epithelium
    • Root or pharyngeal part, non movable
      • Post 1/3
      • Non-keratinized stratified squamous epithelium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

2 Sulcus of tongue

A
  • Median sulcus (raphe)
    • Divides anterior tongue into l and r
    • Ends a formen cecum
  • Terminal sulcus
    • V shaped
    • Border between body and pharyngeal portions
    • Circumvallate papilla
    • Foramen cecum
      • initial developmental site for thyroid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

tongue

tonsils

folds

A
  • Lingual tonsils
    • cover the root, dorsum of tongue
    • lymphoid follicles
    • each with a single crypt
  • Glossoepigottic folds
    • Mucous membranes
    • Connect root of tongue with epiglotti
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Filiform 7

A
  • Strong causes friction
  • Rough texture
  • Forms rows
  • No tastebuds
  • Avascular (all other are)
  • Keratinized (only one)
  • Most numerous
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Fungiform

4

A
  • Mushroom shaped
  • concentrated on tongue margins
  • taste buds CN 7
  • Non-keratinized
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Vallate or circumvallate

5

A
  • Just one row of them
  • Largest papillae
  • least numerous (V shaped)
  • Many taste buds CN 9
  • Von Ebner glands (serous)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Foliate 4

A
  • Sides of tongue
  • Rudimentary/unfunctional
  • Usually no taste buds
  • non keratinized
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Gustatory sensation of tongue

A
  • Anterior 2/3
    • CN facial 7
  • Post 1/3
    • CN 9 glossopharyngeal
17
Q

Inferior surface of tongue

3 structures

A
  • Lacks papillae
  • Lingual frenulum
    • Overlies sagittal septum
    • Connects ventral surface of tongue to floor of mouth
  • Sublingual papilla/ caruncle
    • Swelling on side of frenulum
    • Opening for submandibular glands
    • Continous with sublingual folds
  • Rough fimbriated folds
    • Lateral to frenulum
18
Q

Inferior tongue veins

A

Deep lingual veins

target for medications

rapid absorption

nitroglycerin

19
Q

Diff bte extrinsic and intrinsic tongue movement

A
  • Extrinsic- moves the tongue
  • Intrinsic changes the shape
20
Q

List the 4 extrinsic tongue muscles and innervations

A
  • Genioglossus 12
  • Hyoglossus 12
  • Styloglossus 12
  • Palatoglossus 10
21
Q

Genioglossus

O

I

A
N

what passes btw this and another muscle

clinical note

A
  • O
    • superior mental spines (genial tubercle)
  • I
    • body of tongue, hyoid bone
  • A
    • protracts and depresses center of tongue
  • N CN 12
  • lingual artery is btw the genioglossus and hyoglossus
  • if paralyzed then tongue deviates to injured side
22
Q

Hyoglossus

o

I

a

n

What enters tongue ____to hyoglossus

what kind be found on____ surface

A
  • O body and greater horn of hyoid
  • I lateral tongue
  • action- depresses and retracts tongue
  • CN 12
  • Lingual artery enters tongue deep medial to hyoglossus, between genioglossus and hyoglossus
  • Lingual n. hyoglossal n. lingual vein and submandibular duct can be found on the lateral surface of hyoglossus
23
Q

why is hyoglossus and imp landmark

A
  • Lingual artery (ECA) enters tongue deep and medial to hyoglossus
    • btw genio and hyoglossus
  • CN 12, V3 ligual n. lingual vein and submandibular duct enter tongue on external lateral surface
24
Q

Palatoglossus

o

I

A

N

A
  • O Anterior surface of soft palate, palatine aponeurosis
  • I lateral tongue
  • A Elevates tongue
    • depresses soft palate
  • CN 10 via pharyngeal plexus
25
Q

Styloglossus

o

i

a

n

A
  • O styloid process
  • I lateral tongue
  • elevates and retracts tongue
  • CN 12
  • Smallest of extrinsic
26
Q

Suprahyoid muscles 4

A

Digastric

Stylohyoid

Mylohyoid

Geniohyoid

27
Q

Intrinsic Muscles of tongue

5

A

Superior longitudinal

Inferior longitudinal

Tranverse

Vertical

Median sagittal septum

28
Q

Superior longitudinal muscle

A

N

A
  • Shortens tongue
  • curls apex and sides of tongue up
  • CN 12
  • Deep to surface of tongue
29
Q

Inferior longitudinal muscle

a

n

location

A
  • Shortens tongue
  • curls apex down
  • CN 12
  • runs the length of the tongue
  • between genioglossus and hyoglossus muscles
30
Q

Tranverse muscle

a

n

location

A

Narrows and elongates tongue

CN 12

runs the width of the tongue

31
Q

Vertical muscle

a

n

runs

A
  • flattens and widens tongue
  • CN 12
  • runs from the superior and inferior tongue surfaces
32
Q

Arterial suply to tongue

Lingual a. course

A
  • Lingual a.
  • Branches from ECA near greater horn of hyoid
  • Forms upward bend
  • Loops downward and forward to pass deep to hyoglossus m.
  • follows with hyoglossus into floor of oral cavity
  • travels forward btw hyoglossus and genioglossus to apex of tongue
33
Q

Arterial supply to tongue

4 and location

A
  • Dorsal lingual
    • Post 1/3
  • Deep lingual
    • Ant 1/3
  • Tonsilar branch (of facial)
    • body of tongue
  • Ascending pharyngeal of ECA
    • body of tongue
34
Q

Venous drainage of tongue

A
  • Deep lingual veins
    • can be seen under tongue
    • travel with CN 12 and IJV
  • Dorsal lingual vein
    • Follows lingual a.
    • Drains into IJV
35
Q

Lymphatics of tongue

A
  • Pharyngeal part
    • Drains through pharyngeal wall
    • Jugulodigastric nodes
  • Oral part
    • Submental, submandibular, deep cervical nodes
36
Q

Innervation of tongue

Sensation

Taste

Motor

A
  • Sensation
    • Lingual n. of V3 (ant), CN 9 (post), CN 10 epiglottis
  • Taste
    • CN 7 (ant), CN 9(post) CN 10 (epiglottis)
  • Motor 12
37
Q
A

Head and Neck 2 (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions