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Neuroendocrine > 10. Oral Cavity > Flashcards

10. Oral Cavity Flashcards

1
Q

dense connective tissue and non-keratinized stratified squamous epithelium

surrounds neck of teeth and covers alveolar processes

A

gingivae

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2
Q

anterior roof of mouth; bony shelf covered by dense CT tissue and non-keratizined stratified squamous epithelium

forms anterior 2/3 of roof of motuh; separates oral cavity from nasal cavity

A

hard palate

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3
Q

orm part of anterior walls of oral cavity; covered with keratinized stratified squamous epithelium

close oral cavity from nasal cavity

A

lips

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4
Q

3 pairs of large multicellular glands: parotid, sublingual, and submandibular

produce saliva

A

salivary glands

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5
Q

posterior roof of mouth formed from skeletal muscle and covered with non-keratizined stratified squamous epothelium; uvula hangs from this structure

forms posterior 1/3 of roof of mouth; helps close off openng to nasopharynx when swallowing

A

soft palate

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6
Q

hard structures projective from maxilla and mandible: incisors, canines, premolars, and molars

mastication

A

teeth

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7
Q

composed primarily of skeletal muscle and covered by stratified squamous epithelium; surface covered by papillae

pushes food against palate to turn it into a bolus; detects taste (via taste buds)

A

tongue

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8
Q

aggregates of partially encapsulated lymphatic tissue

detects antigens in swallowed food an drink and initiate immune response if necessary

A

tonsils

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9
Q

space between cheek and gums

space where ingested materials are mixed with saliva and mechanically digested

A

vestibule

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10
Q

small, conical, muscular projection extending from soft palate

assists solft palate in closing off entryway to nasopharynx when swallowing

A

uvula

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11
Q

Characterize the anterior/posterior ends of the palate.

A
  • anterior = hard and bony
  • psterior = soft and muscular (skeletal)
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12
Q
  1. Where does the uvula extend?
  2. How does it function?
A
  1. Extends inferiorly from posterior part of soft palate
  2. Swallowing: soft palate and uvula elevate to close opening of nasopharyx
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13
Q

opening between oral cavity and oropharynx

A

fauces

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14
Q

boundaries of the fauces

A

glossopalatine arch (anterior fold) and pharyngopalatine arch (posterior fold)

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15
Q

Where are the palatine tonsils?

A

between the glossopalatine and pharyngopalatine arch

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16
Q

Label structures.

A
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17
Q

Label structures.

A
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18
Q

cell type of tongue

A

skeletal muscle and lightly keratinized stratified squamous epithelium

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19
Q

functions of the tongue

A
  • manipulates/mixes ingested material during chewing
  • compress partially digested materials against palate (to form bolus)
  • role in swallowing
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20
Q

globular mass of partially digested material

A

bolus

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21
Q

inferior surface of tongue attaches to floor of oral cavity by thin vertical mucus membrane called ____

A

lingual frenulum

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22
Q

small projects that cover the superior (dorsal) surface of the tongue

A

papillae

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23
Q

posterior surface of the tongue contains ____

A

lingual tonsils

24
Q

fluid that assists in initial activities of digestion

A

saliva

25
Q

How much saliva is secreted in a day? When is it most produced?

A
  • Between 1.0-1.5. daily
  • Most produced during meal time (small amounts continuously to ensure moist)
26
Q

99% of volume of saliva

A

water

27
Q

3 pairs of salivary glands

A
  • parotid
  • submandibular
  • sublingual
28
Q

Label structures.

A
29
Q

largest salivary glands

A

parotid glands

[located anterior and inferior to ear overlying masseter muscle]

produce 25-30% saliva (through parotid duct to oral cavity ia oral vestibule next to 2nd upper molar)

30
Q

produces most of the saliva (60-70%)

A

submandibular glands

[located inferior to the body of the mandible]

duct opens from eah gland through papilla in the floor of the mouth on lateral sides of the lingual frenulum

31
Q

contribute only 3-5% of total saliva

A

sublingual glands

[located inferior to tongue and internal to the oral cavity mucosa]

extends multiple tiny sublingual ducts that open onto inferior surface of oral cavity, posterior to submandibular dut papilla

32
Q

types of secretions: parotid glands

A

serous secretions

33
Q

types of secretions: submandibular gland

A

mucous and serous secretions

34
Q

types of secretions: sublingual gland

A

both mucous and serous secretions

35
Q

dentition; responsible for ingestion and mastication (first part of mechanical digestion process)

A

teeth

36
Q

components of the tooth

A
  • exposed crown
  • constricted neck
  • one or more roots that anchor it to the jaw
37
Q

dental alveoli

A
  • sockets within alveolar processes of both maxillae and mandible
  • “roots of teeth fit into dental alveoli”
38
Q

gomphosis joint

A
  • roots
  • dental alveoli
  • periodontal ligament
39
Q

binds teeth roots to the alveolar processes

A

periodontal ligament

40
Q

Label.

A
41
Q

teeth

A
42
Q

Label the teeth.

A
43
Q

Phases of swallowing

A
44
Q

Name components of alimentary layer.

A
45
Q

Label.

A
46
Q

Label.

A
47
Q

Label.

A
48
Q

Label.

A
49
Q

Alimentary layer of the cervical viscera

A
50
Q

tonsillectomy

A
51
Q

tenses soft palate and acts on pharyngotympanci tube for depressurizing middle ear

A

tensor veli palatini (CN V - V3)

52
Q

elevates the tensed palate and acts on pharyngotympanic tube

A

levator. veli palatini (CN X - pharyngeal plexus)

53
Q

paralysis of tensor veli palatini and levator veli palatini

A

leads to reflux of oral contents into nasal cavity and pharyngotympanic tube dysfunction

54
Q

anatomy of swallowing

A
55
Q

relational anatomy of pharynx

A

Neuroendocrine (30 decks)

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