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Anatomy > Mouth (Oral cavity) > Flashcards

Mouth (Oral cavity) Flashcards

1
Q

What are the 2 parts of the oral cavity?

A
  • vestibule

- oral cavity proper

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2
Q

What is the function of the vestibule?

A

Receives parotid duct from parotid salivary gland + communicates w/ exterior oral fissure

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3
Q

What is the roof of the oral cavity proper formed by?

A

Hard and soft palate

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4
Q

What is the function of sublingual region of the oral cavity proper

A

Receives opening of sublingual and submandibular ducts

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5
Q

What are the names and amount of teeth does each half of the jaw contain?

A

8 teeth in total w/ 3 molars, 2 incisors + 1 canine

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6
Q

What are the 5 surfaces of the tooth?

A
  • vestibular
  • lingual
  • mesial
  • distal
  • occlusal
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7
Q

What part of the tooth connects the root to the socket?

A

Periodontal ligament

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8
Q

What is the main artery that supplies blood to the teeth?

A

Maxillary Artery

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9
Q

What is the hard palate formed by?

A

Palatine process of maxilla + horizontal plate of palatine bones

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10
Q

What is the projection of soft palate in the inferior border?

A

Uvula

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11
Q

What are the 2 folds of the mucous membrane w/ muscle?

A
  • palatopharyngeal fold with palatopharyngeus muscle

- palatoglossal fold w/ palatoglossus muscle

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12
Q

What are the muscles of the soft palate?

A
  • tensor palati
  • levator palati
  • palatoglossus
  • palatopharyngeus
  • musculus uvulae
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13
Q

What does the soft palate separate?

A

Oropharynx from nasopharynx

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14
Q

What does paralysis of muscles of soft palate results in?

A
  • nasal regurgitation of liquids
  • nasal twang in voice
  • deviation of uvula from the lesion
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15
Q

What divides the tongue into 2 parts?

A
  • sulcus terminalis
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16
Q

What are the 4 types of taste buds?

A
  • circumvallate papillae
  • fungiform papillae
  • filiform papillae
  • foliate papillae
17
Q

What are present in the inferior surface of the tongue?

A
  • frenulum of tongue : connects tongue + floor of the mouth
  • deep lingual veins
  • plica fimbriata
18
Q

What are the extrinsic muscles of the tongue?

A
  • genioglossus
  • hyoglossus
  • palatoglossus
  • styloglossus
19
Q

What is the origin and action of the styloglossus?

A
  • styloid process

- retraction of tongue

20
Q

What arteries are responsible for the supply of the tongue?

A
  • lingual artery
  • ascending pharyngeal artery
  • tonsillar artery
21
Q

What is responsible for the venous drainage in the tongue?

A

Lingual vein

Anatomy (14 decks)

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