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BDS3 BAMS Anatomy > Week 9 - Pharynx, Hard & Soft Palate > Flashcards

Week 9 - Pharynx, Hard & Soft Palate Flashcards

1
Q

What bone forms the anterior 2/3s of the bony palate ?

A

Palatine processes of the maxillae.

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2
Q

What bone forms the posterior 1/3 of the bony palate ?

A

Horizontal plates of palatine bone.

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3
Q

What is the function of the palatine rugae ?

A

Help tongue with movement of food.

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4
Q

What neurovascular structures run within the incisive canal ?

A

Nasopalatine nerve and greater palatine artery.

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5
Q

Where is the incisive fossa located ?

A

Posterior of central incisors.

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6
Q

Where is the greater palatine foramen located ?

A

Posterior and medially to third molar.

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7
Q

Origin of levator veli palatini ?

A

Pharyngotympanic tube and temporal bone.

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8
Q

Insertion of levator veli palatini ?

A

Palatine aponeurosis.

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9
Q

Action of levator veli palatini ?

A

Support tensor and opens auditory tube during swallowing for pressure exchange.

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10
Q

Origin of tensor veli palatini ?

A

Scaphoid fossa, spine of sphenoid and pharyngotympanic tube.

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11
Q

Insertion of tensor veli palatini ?

A

Palatine aponeurosis.

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12
Q

Action of tensor veli palatini ?

A

Tenses soft palate.

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13
Q

Origin of palatopharyngeus ?

A

Hard palate and palatine aponeurosis.

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14
Q

Insertion of palatopharyngeus ?

A

Lateral wall of pharynx.

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15
Q

Origin of palatoglossus ?

A

Palatine aponeurosis.

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16
Q

Insertion of palatoglossus ?

A

Posterolateral surface of the tongue.

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17
Q

Action of palatoglossus ?

A

Draws tongue and soft palate down.

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18
Q

Origin of musculus uvulae ?

A

Posterior nasal spine and palatine aponeurosis.

19
Q

Insertion of musculus uvulae ?

A

Uvula.

20
Q

Blood supply to hard palate ?

A

Greater palatine artery.

21
Q

Blood supply to soft palate ?

A

Lesser palatine artery.

22
Q

What are the greater and lesser palatine arteries branches of ?

A

Maxillary artery of external carotid artery.

23
Q

What are the greater and lesser palatine nerves and the nasopalatine nerve a branch of ?

A

Maxillary division of trigeminal nerve (CNV2).

24
Q

General sensory innervation of soft palate ?

A

Lesser palatine nerve.

25
Q

General sensory innervation of hard palate and gingivae to first premolar ?

A

Greater palatine nerve.

26
Q

General sensory innervation of anterior gingivae and mucosa ?

A

Nasopalatine nerve.

27
Q

Motor control to the muscles of the soft palate ?

A

Pharyngeal plexus of vagus nerve (CNX).
Except tensor veli palatini - medial pterygoid nerve of mandibular branch of trigeminal nerve (CNV3).

28
Q

Name superior and inferior boundary of nasopharynx.

A

Posterior border of nasal septum.
Soft palate.

28
Q

Name superior and inferior boundary of nasopharynx.

A

Posterior border of nasal septum.
Soft palate.

29
Q

Name superior and inferior boundary of oropharynx.

A

Posterior margin of soft palate.
Epiglottis.

30
Q

Name superior and inferior boundary of larngopharynx.

A

Superior border of epiglottis.
Inferior border of cricoid cartilage.

31
Q

What type of cartilage is the epiglottis formed by ?

A

Elastic.

32
Q

Where are the lingual tonsils located ?

A

Behind vallate papillae on posterior portion of tongue.

33
Q

Where is the vallecula located ?

A

Recess between posterior end of tongue and epiglottis.

34
Q

Where is the palatine tonsils located ?

A

Between palatoglossal and palatopharyngeal pillars in tonsils fossa.

35
Q

What cranial nerve innervated middle and inferior pharyngeal constrictors ?

A

CNX.

36
Q

Where is the piriform fossa located ?

A

Depression either side of laryngeal inlet.

37
Q

Where are the internal and recurrent laryngeal nerve located ?

A

Deep to piriform fossa.

38
Q

What is the internal and recurrent laryngeal nerves a branch of ?

A

Vagus nerve CNX.

39
Q

What are the four types of tonsils in Waldeyer’s tonsils ring ?

A

Palatine, tubal, pharyngeal and lingual.

40
Q

What are the 3 pharyngeal elevator muscles ?

A

Palatopharyngeus, stylopharyngeus, salpingopharyngeus.

41
Q

What is palatopharyngeus elevator muscle innervated by ?

A

CNX via pharyngeal plexus.

42
Q

What is salpingopharyngeus elevator muscle innervated by ?

A

CNX via pharyngeal plexus.

43
Q

What is stylopharyngeus elevator muscle innervated by ?

A

Glossopharyngeal nerve CNIX.

BDS3 BAMS Anatomy (11 decks)

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