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anat 316 > Oral Cavity and Esophagus > Flashcards

Oral Cavity and Esophagus Flashcards

1
Q

What are the two areas of the oral cavity?

A

oral vestibule and the oral cavity proper

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2
Q

What is the oral vestibule?

A

The pouch btw lips and teeth

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3
Q

What is the anterior border of the oral vestibule?

A

The upper (or lower depending on which vestibule) lip

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4
Q

What is the posterior border of the oral vestibule?

A

The teeth

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5
Q

What structures are located within the oral vestibule (3)

A

superior and inferior labial frenulum and the gingivae

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6
Q

What is the inferior and superior labial frenulum

A

tissue that attaches lips to gums

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7
Q

What is the gingivae?

A

Gum

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8
Q

What forms the anterior border of the oral cavity proper?

A

teeth

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9
Q

what froms the inferior border of the oral cavity proper?

A

the tongue (forms the floor)

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10
Q

What forms the superior border of the oral cavity proper?

A

the hard and soft palate

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11
Q

What forms the inferior border of the oral cavity proper?

A

palatoglossal arch and palatopharyngeal arch `

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12
Q

What are the two associated structures within the oral cavity proper?

A

lingual foramen, uvula, and palatine tonsils

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13
Q

What is the uvula?

A

It is an extension off the soft palate that closes when swallowing, blocking off access to the nasopharynx

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14
Q

What is the palatine tonsil?

A

Lymphoid tissue in btw the platoglossal arch and the platopharyngeal arch (back and sidee of mouth), has immune functions

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15
Q

What is the lingual frenulum?

A

mucous membrane that functions to attach the tongue to the floor of the mouth

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16
Q

what ar the 3 major salivary glands?

A

parotid gland, submandibular gland, and sublingual gland

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17
Q

What function does a mucous gland have?

A

secrete a mucous that provides lubrication

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18
Q

What function does a serous gland have?

A

secretes enzymes containing saliva

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19
Q

What function does a seromucous gland have?

A

Secretes both lubricating mucous and enzyme containing salvia

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20
Q

Where is the parotid gland located?

A

anterior to the ears

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21
Q

What is superficial to the parotid gland?

A

Skin

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22
Q

What is deep to the parotid gland?

A

Masseter

23
Q

What drains the parotid gland?

A

Stendon’s duct

24
Q

Where does stendon’s duct open?

A

behind the second upper molar

25
Q

What nerve innervates parotid gland

A

CN 9 - hypoglossal nerve

26
Q

What type of gland is the parotid gland?

A

Serous (secretes saliva with enzymes)

27
Q

Where is the submandibular gland located?

A

Inferior to mandible and in btw diagastric muscles

28
Q

What emptiues the submandibular gland?

A

Warton’s duct

29
Q

Where does Warton’s duct open?

A

Lateral to the lingual frenulum (fold of mucus membrane that attaches tongue to the roof of the mouth)

30
Q

What innervates the submandibular gland?

A

Cranial nerve 7

31
Q

What type of gland is the submandibular gland?

A

Seromucous gland - secretes lubrating mucous AND enzyme containing saliva

32
Q

Where is the sublingual gland?

A

located inferior to tongue on the floor of the oral cavity

33
Q

What drains the sublingual gland?

A

Batholin’s duct

34
Q

What does bartholins duct connect with?

A

Warton’s duct

35
Q

What nerve innervates the sublingual gland?

A

cranial nerve 7

36
Q

what type of gland is the sublingual gland?

A

mucous secreting gland that acts to lubricate

37
Q

What divides the tongue into posterior 1/3 and anterior 2/3

A

sulcus terminalis

38
Q

What is the function of the epiglottis?

A

When relaxed - upright to allow air into larynx and lungs
When folded (during swallowing) - covers entrance of larynx so food does not enter windpipes

39
Q

What is the lingual tonsil?

A

lymphoid tissue located at the back of the tongue serving an immunological function

40
Q

where is the epiglottis located?

A

in the throat, behind tongue and in front of larynx

41
Q

Which of the papillae contain tastebuds?

A

foliate papillae and the fungiform papillae and the circumvallate papillaefoliate

42
Q

What is the function of the foliate papillae

A

to perceive taste

43
Q

Where are the foliate papillae located?

A

bilaterally along posterolateral margins of the tongue surface

44
Q

What is the function of the fungiform papillae?

A

taste perception

45
Q

Where are the fungiform papillae located?

A

dorsum of the tongue - more in the middle

46
Q

What are the filiform papillae?

A

rough patches that allow you to grip food and form bolluses - they have NO tastebuds

47
Q

Where are the filiform papillae located?

A

anterior dorsum of the tongue (think the tip)

48
Q

What innervates the taste function of the epiglottis

A

CNX

49
Q

What innervates the taste function of the posterior 1/3 of the tongue?

A

CN 9

50
Q

What innervates the taste function of the anterior 2/3 of the tongue

A

CN 7 - chorda tympani branch

51
Q

What innervates the general sensation function of the epiglottis

A

CN X

52
Q

What innervates the general sensation function of the posterior 1/3 of the tongue?

A

CN 9

53
Q

What innervates the general sensation function of the anterior 2/3 of the tongue?

A

CN 5, branch 3

54
Q
A

anat 316 (22 decks)

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