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Sp24 - Head/Neck Anatomy > (E3) 3 - Pharynx > Flashcards

(E3) 3 - Pharynx Flashcards

Fischer

1
Q

What is the pharynx?

A

Common passageway for the digestive and respiratory systems

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2
Q

What is the extent of the pharynx?

A
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3
Q

The posterior wall of the pharynx lies against the ________

A

prevertebral fascia

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4
Q

Pharynx: Muscular layer constrictors lie between what 2 fascia

A

Pharyngobasilar fascia
Buccopharyngeal fascia

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5
Q

What is the pharyngeal recess and where do you find it?

A

Slit-like lateral projection of the pharynx

  • Posterolateral to salpingopharyngeal fold
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6
Q

What composes the 3 parts of the pharynx?

A

Nasopharynx
Oropharynx
Laryngopharynx

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7
Q

What structures compose the pharynx?

A
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8
Q

Pharyngeal Wall: What is the mucous membrane?

A

The innermost layer

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9
Q

What are the layers that make up the Pharyngeal wall?

A

Mucous Membrane
Submucosa
Pharyngobasilar Fascia
Muscular
Buccopharyngeal Fascia

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10
Q

Pharyngeal Wall: What is the pharyngobasilar fascia?

A

Anchors the pharynx to skull; fibrous in nature

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11
Q

Pharyngeal Wall: What is the muscular layer?

A

3 inner longitudinal and 3 outer circular layers

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12
Q

Pharyngeal Wall: What is the buccopharyngeal fascia?

A

Continuous with fascia over buccinator and pharyngeal mm.; location of pharyngeal plexuses of nerves and veins

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13
Q

What fascia is this?

A

Buccopharyngeal Fascia

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14
Q

What fascia is this?

A

Pharyngobasilar fascia

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15
Q

The Oropharynx sits at the ____ level

A

C2-C3

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16
Q

What are the boundaries of the oropharynx? (superior, inferior, anterior, posterior, lateral)

A
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17
Q

________ lie laterally between palatine arches

A

Palatine tonsils

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18
Q

_________ Spaces (depressions) between epiglottis and root of tongue

A

Epiglottic valleculae

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19
Q

What are the boundaries of the laryngopharynx?

A
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20
Q

Where is the Piriform recess (fossa)?

A

Located in laryngopharynx on either side of laryngeal inlet

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21
Q

Location of the Piriform Recesses (be specific)

A
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22
Q

Contents of the Piriform Recesses (fossae)

A

Internal laryngeal nerve
Superior laryngeal artery

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23
Q

Function of the Piriform Recesses

A

Form channels that direct food around laryngeal inlet towards esophagus

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24
Q

Clinical Significance of the Piriform Recesses

A

Nerve prone to injury when a foreign body lodges into recess

(fish bone)

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25
Q

What tonsils are these?

A

Pharyngeal Tonsils

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26
Q

What is Waldeyer’s Tonsilar Ring?

A

Circumpharyngeal ring composed of MALT
(formed from 4 pairs of tonsils)

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27
Q

What tonsils are these?

A

Tubual tonsils

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28
Q

What tonsils are these?

A

Palatine Tonsils

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29
Q

What tonsils are these?

A

Lingual tonsils

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30
Q

The three pharyngeal constrictors form the ________ of pharyngeal muscles

A

external circular layer

31
Q

Three pharyngeal constrictors - they are lined internally by ________

A

pharyngobasilar fascia

32
Q

Three pharyngeal constrictors - they are lined externally by ________

A

buccopharyngeal fascia

33
Q

Actions of the 3 pharyngeal constrictors

A

Contract involuntarily – allows for sequential contraction from superior to inferior

34
Q

Pharyngeal Muscles Innervation

A

Pharyngeal PLexus - CN IX and CN X

35
Q

Superior Pharyngeal Constrictor: Origin

A
  • Pterygoid hamulus
  • Pterygomandibular raphe
  • Retromolar trigone of mandible
  • Side of tongue
36
Q

Superior Pharyngeal Constrictor: Insertion

A
  • Pharyngeal tubercle
  • Median (pharyngeal) raphe
37
Q

Superior Pharyngeal Constrictor: Innervation

A

Pharyngeal Plexus

38
Q

Middle Pharyngeal Constrictor: Origin

A
  • Stylohoid lig. and lesser cornu of hyoid
  • Greater cornu of hyoid
39
Q

Middle Pharyngeal Constrictor: Insertion

A

Median (pharyngeal) raphe

40
Q

Middle Pharyngeal Constrictor: Innervation

A

Pharyngeal Plexus

41
Q

What are the two muscles that make up the inferior pharyngeal constrictor?

A
  • Thyropharyngeus m.
  • Cricopharyngeus m.
42
Q

Inferior Pharyngeal Constrictor: Origin

43
Q

Inferior Pharyngeal Constrictor: Insertion

44
Q

Inferior Pharyngeal Constrictor: Innervation

45
Q

Location of the Pharyngeal Plexus

A

On posterior aspect of the middle pharyngeal constrictor m.

46
Q

Pharyngeal Plexus: Describe the Motor Innervation

47
Q

Pharyngeal Plexus: Describe the Sensory Innervation

48
Q

Pharyngeal Plexus - What type of fibers is this?

A

Postganglionic Sympathetic Fibers - Vasomotor in function

49
Q

Ascending pharyngeal a - Origin, path and branches

50
Q

What artery is this?

A

Ascending Pharyngeal Artery

51
Q

Ascending palatine a - Origin and path

52
Q

What artery is this?

A

Ascending Palatine Artery

53
Q

Tonsilar Artery - Origin and Path

54
Q

What artery is this?

A

Tonsilar Artery

55
Q

Superior Thyroid Artery - Origin and Path

56
Q

What artery is this?

A

Superior thyroid artery

57
Q

Inferior Thyroid Artery - Origin and Supplies

58
Q

Pharyngeal Arety - Origin and Path

59
Q

What artery is this?

A

Pharyngeal Artery

60
Q

Artery of the Pterygoid Canal: Origin and Path

61
Q

What artery supplies the auditory tube?

A

Artery of the Pterygoid Canal

62
Q

Lesser Palatine Artery: Origin and Path

63
Q

What artery is this?

A

Lesser Palatine Artery

64
Q

Location of the Pharyngeal Venous Plexus

A

Posteriorly in the buccopharyngeal fascia

65
Q

What does the pharyngeal venous plexus give rise to?

A

Pharyngeal veins

66
Q

Where does the Pharyngeal Venous Plexus terminate?

A

Drain to internal jugular vv. and into pterygoid plexus of vv.

  • may also drain into facial, lingual, or superior thyroid veins
67
Q

Describe the Pharyngobasilar Aperture and what it transmits

68
Q

Aperture between the Superior and Middle Constrictor: What does it transmit and what creates the gap?

69
Q

Aperture between the Middle and Inferior Constrictor (thyrohyoid membrane): What does it transmit?

70
Q

Aperture inferior to the Inferior Constrictor: What does it transmit?

71
Q

What is Pharyngitis?

72
Q

What causes Pharyngitis?

73
Q

Symptoms of Pharyngitis

74
Q

Image: PPT Practice Questions

Sp24 - Head/Neck Anatomy (15 decks)

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