Anatomy Of Oral Cavity

Front 1

Oral Mucosa

Back 1

Consisys of moist surface epithelium and underlying connective tissue (Lamina Propria) (Submucosa)

Front 2

Oral Epithelium (Mucosa)

Back 2

Seperated from Submucosa by basement membrane

Front 3

Attached Gingiva and Masticatory Mucosa are Keratinized or Parakeratinized?

Back 3

Parakeratinized

Front 4

Unattached Oral Mucosa features LESS or MORE Keratin than Attached Mucosa?

Back 4

LESS

Front 5

Orthokeratin & Parakeratin are found in mucosa or in skin.

Back 5

Mucosa (not found in skin)

Front 6

Parakeratin or Orthokeratin cells possess nuclei?

Back 6

Parakeratin

Front 7

Bottom-most cell layer is the?

Back 7

basal cell layer

Front 8

It interdigitates with connective tissue papillae of submucosa via rete pegs.

Back 8

Oral Epithelium

Front 9

it features nerve fibers but is not vasculated?

Back 9

Oral Epithelium

Front 10

The Anterior 2/3 of the Palate is known as the?

Back 10

Hard Palate

Front 11

The Hard Palate is covered with what kind of mucosa?

Back 11

Masticatory Mucosa

Front 12

What are the 6 things that describe the hard plate masticatory mucosa?

Back 12

1. no submucosa
2. keratinized
3. firmly attached to underlying bone
4. Mid-palatine raphe runs length of midline
5.features rugae in anterior portion
6. features incisive papilla on anterior midline

Front 13

the junction of the hard and soft palate is called the?

Back 13

"Glandular zone"
-with numerous minor salivary glands

Front 14

What can also be seen at the Junction of the hard and soft palate?

Back 14

Palatine fovea

Front 15

three things that describe the soft Palate?

Back 15

1. Psterior 1/3 of palate
2. Unattached with underlying submucosa
3. Uvula seen at posterior border between soft palate and oropharynx

Front 16

The Fauces of the palate represent the junction of what?

Back 16

Oral cavity and oropharynx (marked by anterior and posterior pillars)

Front 17

consists of nasopharynx and oropharynx?

Back 17

Pharynx

Front 18

Represents the area where oral cavity and nasal cavity meet?

Back 18

Pharynx

Front 19

What is visible on the Left and Right Lateral walls of the oropharynx?

Back 19

Palatine tonsiles

Front 20

What are the palatine Tonsiles made up of?

Back 20

Lymphoid tissue part of immune system

Front 21

The Palatine tonsiles are sandwiched between these two arches or pillars?

Back 21

Anterior Arch & Posterior Arch or

Glossopalatine Arch & Pharyngoplatine Arch or

Palatoglosssal Arch & Palatopharyngeal Arch

Front 22

What lines the Cheek of the mouth?

Back 22

Buccal Mucosa

Front 23

What lines the lips of the mouth?

Back 23

Labial Mucosa

Front 24

Features Left and Right parotid papilla adjacent to maxillary 2nd molars?

Back 24

Buccal mucosa

Front 25

Where is the stenson's duct located?

Back 25

adjacent to the maxillary 2nd molars on the buccal mucosa

Front 26

tooth bearing bony portions of maxilla and mandible?

Back 26

Alveolar ridges

Front 27

what 4 things are covered with oral mucosa?

Back 27

1. Free gingiva
2. attached gingiva
3. alveolar mucosa
4. mucogingival junction

Front 28

On the mandible the posterior extension behind the last molar is called?

Back 28

Retromolar Pad

Front 29

The posterior extension behind the last molar on the maillary arch is called?

Back 29

Maxillary tuberosity

Front 30

represents the confluence between alveolar mucosa and labial and buccal mucosa?

Back 30

Folds and Vestibules

Front 31

posterior fold or vestibule?

Back 31

Mucobuccal fold or
Buccal vestibule

Front 32

anterior fold or vestibule?

Back 32

mucolabial fold or
Labial vestibule

Front 33

represents muscle or tendon attachments in the mouth?

Back 33

Frenum

Front 34

what are the Labial Frena?

Back 34

Maxillary central
mandibular central
lateral

Front 35

The posterior frena in the moth is called?

Back 35

buccal frena

Front 36

connects the ventral surface of the tongue with the floor of the mouth?

Back 36

lingual frenum

Front 37

The floor of the mouth is a continuation of what mucosa?

Back 37

Mandibular lingual alveolar mucosa

Front 38

The floor of the mouth feature a left and right?

Back 38

Sublingual folds (Plica Sublingualis)

Front 39

The left and Right Sublingual Folds or Plica Sublingualis contain outlets for what duct?

Back 39

The ducts of Rivinus

Front 40

seen at the base of the lingual frenum and represents an outlet for a certain sudmandibular duct?

Back 40

Sublingual Caruncle

Front 41

The Sublingual Caruncle is an outlet for what submandibular duct?

Back 41

Wharton's Duct

Front 42

2-3mm tissue tags attached to floor of the mouth and are non-functional?

Back 42

Plica Fimbriata

Front 43

what surface of the tongue features left and right lingual veins running in anterior-posterior direction? Sometimes Verlcose veins can be seen on elderly patients on this surface too?

Back 43

Ventral Surface of the tongue

Front 44

the mucosa covering the tongue is keratinized or is it parakeratinized?

Back 44

parakeratinized

Front 45

Where are fillform and fungiform papillae located on the tongue?

Back 45

the dorsal anterior 2/3 of the tongue

Front 46

where is circumvallate papillae seen on the tongue?

Back 46

The dorsal posterior 1/3 of the tongue

Front 47

what is often seen on the midline of the dorsal surface of the tongue?

Back 47

median sulcus and the dorsal surface may feature numerous fissures.

Front 48

what lingual papillae is the most numerous?

Back 48

filiform

Front 49

this lingual papillae has no taste buds and is used for tactile sensation?

Back 49

filiform

Front 50

this lingual papillae each have a single minor salivary gland called Von Ebner's?

Back 50

Circumvallate

Front 51

this extends from the retromolar pad to the maxillary tuberosity?

Back 51

pterygomandibular raphe

Front 52

What are the 4 functions of the oral cavity?

Back 52

Mechanical Digestion
Chemical Digestion
Taste
Speech (Phonectics)

Front 53

What muscles assist with swallowing?

Back 53

Tongue
Pharyngeal muscles

Front 54

What type of fibers are in taste buds?

Back 54

Afferent

Front 55

Afferent fibers are provided to taste buds via what cranial nerves?

Back 55

VII
IX
X

Front 56

Where are taste buds located?

Back 56

Foliate papillae
Circumvalate Papillae
Fungiform Papillae
Pharynx
Palate