BDS3 ANATOMY Student 2 > Pharynx > Flashcards

Pharynx Flashcards

(19 cards)

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1
Q

what are the three parts of the pharynx?

A
  • nasopharynx
  • oropharynx
  • laryngopharynx
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2
Q

What are the borders of the nasopharynx?

A
  • posterior border of nasal septum
  • soft palate
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3
Q

what are the boundaries of the oropharynx?

A
  • from soft palate & base of tongue
  • to superior border of epiglottis
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4
Q

what are the boundaries of the laryngopharynx?

A
  • superior border of epiglottis
  • to inferior border of cricoid cartilage
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5
Q

what are tonsils?

A

lymphoid tissue

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6
Q

what tonsils form Waldeyer’s ring?

A
  • pharyngeal tonsils
  • tubal tonsils
  • palatine tonsils
  • lingual tonsils
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7
Q

what part of the pharynx are the adenoid tonsils located?

A

nasopharynx

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8
Q

what is the function of the pharyngobasilar fascia?

A

holds the nasopharynx open

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9
Q

how many pharyngeal constrictor muscles are there? name them:

A

Three:
- superior constrictor
- middle constrictor
- inferior constrictor

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10
Q

what is the function of the pharyngeal elevators?

A

lifts the pharynx to receive the food bolus from oral cavity

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11
Q

what nerve supples the pharyngeal constrictor muscles?

A

the vagus nerve (CNX) via the pharyngeal plexus

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12
Q

what is the lower circular part of the inferior pharyngeal constrictor known as?

A

the cricopharungeus

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13
Q

what is the function of the cricopharyngeus?

A

forms a sphincter around upper oesophagus preventing air being drawn into the stomach during inhalation

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14
Q

what are the names of the pharyngeal elevator muscles?

A
  • palatalpharyngeus
  • stylopharyngeus
  • salpingopharyngeus
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15
Q

what is the function of the palatopharyngeus muscle?

A
  • elevates pharynx & larynx
  • draws soft palate downwards
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16
Q

what nerve supplies the palatopharyngeus?

17
Q

what nerve supplies the stylopharyngeus muscle?

Study These Flashcards
A

glossopharyngeal nerve

18
Q

what nerve supplies the salpingopharyngeus?

19
Q

what is the function of the epiglottis during swallowing?

Study These Flashcards
A

closes the laryngeal inlet protecting the airway

BDS3 ANATOMY Student 2
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