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Anatomy 205 > Oral Cavity: Soft Palate > Flashcards

Oral Cavity: Soft Palate Flashcards

1
Q

Soft palate

A

Soft movable fleshy fold (mucosal fold containing muscles, aponeurosis, mucous glands) attached to hard palate posterior border hanging between Nasopharynx and Oropharynx

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2
Q

Muscles

A
  1. Tensor palati
  2. Levator palati
  3. Palatoglossus
  4. Palatopharyngeus
  5. Musculus uvulae
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3
Q

Tensor palati origin

A
  1. Scaphoid fossa
  2. Auditory tube
  3. Sphenoid spine
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4
Q

Tensor palati insertion

A

It’s tendon hooks around pterygoid hamulus to be expanded forming palatine aponeurosis attached to posterior border and inferior surface hard palate

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5
Q

Tensor palati action

A

Makes soft palate tense

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6
Q

Levator palati origin

A
  1. Petrous bone (in front of carotid canal)
  2. Auditory tube
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7
Q

Levator palati insertion

A

Palatine aponeurosis

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8
Q

Levator palati action

A

Elevates soft palate

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9
Q

Palatoglossus origin

A

Lower surface palatine aponeurosis

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10
Q

Palatoglossus insertion

A

Side tongue posterior part

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11
Q

Palatoglossus action

A

Elevates tongue and closes oropharyngeal isthmus

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12
Q

Palatopharyngeus origin

A

Upper surface palatine aponeurosis

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13
Q

Palatopharyngeus insertion

A

Thyroid cartilage posterior border

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14
Q

Palatopharyngeus action

A

Elevates and shortens pharynx

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15
Q

Musculus uvulae origin

A
  1. Posterior nasal spine
  2. Palatine aponeurosis
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16
Q

Musculus uvulae insertion

A

Mucosa of uvula

17
Q

Musculus uvulae action

A
  1. Shorten uvula and prevents soft palate eversion
  2. Elevates and retracts uvula
18
Q

Soft palate muscles

A

All supplied by pharyngeal plexus (cranial root accessory via pharyngeal branch vagus) except tensor palati (Mandibular nerve via nerve to medial pterygoid)

19
Q

Soft palate sensory supply

A
  1. Lesser palatine nerve
  2. Glossopharyngeal nerve
20
Q

Atrial supply

A
  1. Hard palate
  2. Soft palate
21
Q

Atrial supply: hard palate

A

Greater palatine artery (maxillary artery)

22
Q

Atrial supply soft palate

A

1 Lesser palatine (greater palatine artery)
2. Ascending palatine (facial artery)
3. Ascending pharyngeal (ECA)

Anatomy 205 (197 decks)

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