Mouth, Nose and Ears Flashcards

1
Q

What are the parts that the oral cavity is divided into

A

The oral vestibule and oral cavity proper

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2
Q

The slit like space b/w the lips and cheeks superficially and the teeth and gingivae deeply

A

Oral vestibule

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3
Q

Mobile fleshy muscular folds surrounding the mouth, contain the orbicularis oris and superior and inferior labial muscles, vessels and nerves

A

Lips

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4
Q

Vertical groove of the upper lip

A

Philtrum

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5
Q

The transition zone b/w skin and mucous membrane

A

Vermillion border

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6
Q

Lymph from the upper lip and lateral parts of the lower lip passes primarily to

A

Submandibular LNs

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7
Q

Lymph from the medial part of the lower lip passes initially to the

A

Submental LNs

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8
Q

This palate is formed by the palatine processes of the maxillae and horizontal plates of the palatine bones

A

Hard palate

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9
Q

What 3 foramina open on the oral aspect of the hard palate

A

Incisive fossa, the greater and lesser palatine foramina.

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10
Q

The moveable posterior third of the palate that is suspended from the posterior border of the hard palate

A

Soft palate

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11
Q

What are the functions of the salivary glands?

A

Keep the mucous membrane of the mouth moist, lubricates the food during mastication, begins digestion of starches, serves as an intrinsic “mouthwash” and plays a significant role in the prevention of tooth decay and in the ability to taste

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