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

(E3) 3 - Pharynx Flashcards

Fischer (74 cards)

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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
What tonsils are these?
Pharyngeal Tonsils
26
What is Waldeyer's Tonsilar Ring?
Circumpharyngeal ring composed of MALT (formed from 4 pairs of tonsils)
27
What tonsils are these?
Tubual tonsils
28
What tonsils are these?
Palatine Tonsils
29
What tonsils are these?
Lingual tonsils
30
The three pharyngeal constrictors form the ________ of pharyngeal muscles
external circular layer
31
Three pharyngeal constrictors - they are lined internally by ________
pharyngobasilar fascia
32
Three pharyngeal constrictors - they are lined externally by ________
buccopharyngeal fascia
33
Actions of the 3 pharyngeal constrictors
Contract involuntarily – allows for sequential contraction from superior to inferior
34
Pharyngeal Muscles Innervation
Pharyngeal PLexus - CN IX and CN X
35
Superior Pharyngeal Constrictor: Origin
- Pterygoid hamulus - Pterygomandibular raphe - Retromolar trigone of mandible - Side of tongue
36
Superior Pharyngeal Constrictor: Insertion
- Pharyngeal tubercle - Median (pharyngeal) raphe
37
Superior Pharyngeal Constrictor: Innervation
Pharyngeal Plexus
38
Middle Pharyngeal Constrictor: Origin
- Stylohoid lig. and lesser cornu of hyoid - Greater cornu of hyoid
39
Middle Pharyngeal Constrictor: Insertion
Median (pharyngeal) raphe
40
Middle Pharyngeal Constrictor: Innervation
Pharyngeal Plexus
41
What are the two muscles that make up the inferior pharyngeal constrictor?
- Thyropharyngeus m. - Cricopharyngeus m.
42
Inferior Pharyngeal Constrictor: Origin
43
Inferior Pharyngeal Constrictor: Insertion
44
Inferior Pharyngeal Constrictor: Innervation
45
Location of the Pharyngeal Plexus
On posterior aspect of the middle pharyngeal constrictor m.
46
Pharyngeal Plexus: Describe the Motor Innervation
47
Pharyngeal Plexus: Describe the Sensory Innervation
48
Pharyngeal Plexus - What type of fibers is this?
Postganglionic Sympathetic Fibers - Vasomotor in function
49
Ascending pharyngeal a - Origin, path and branches
50
What artery is this?
Ascending Pharyngeal Artery
51
Ascending palatine a - Origin and path
52
What artery is this?
Ascending Palatine Artery
53
Tonsilar Artery - Origin and Path
54
What artery is this?
Tonsilar Artery
55
Superior Thyroid Artery - Origin and Path
56
What artery is this?
Superior thyroid artery
57
Inferior Thyroid Artery - Origin and Supplies
58
Pharyngeal Arety - Origin and Path
59
What artery is this?
Pharyngeal Artery
60
Artery of the Pterygoid Canal: Origin and Path
61
What artery supplies the auditory tube?
Artery of the Pterygoid Canal
62
Lesser Palatine Artery: Origin and Path
63
What artery is this?
Lesser Palatine Artery
64
Location of the Pharyngeal Venous Plexus
Posteriorly in the buccopharyngeal fascia
65
What does the pharyngeal venous plexus give rise to?
Pharyngeal veins
66
Where does the Pharyngeal Venous Plexus terminate?
Drain to internal jugular vv. and into pterygoid plexus of vv. - may also drain into facial, lingual, or superior thyroid veins
67
Describe the Pharyngobasilar Aperture and what it transmits
68
Aperture between the Superior and Middle Constrictor: What does it transmit and what creates the gap?
69
Aperture between the Middle and Inferior Constrictor (thyrohyoid membrane): What does it transmit?
70
Aperture inferior to the Inferior Constrictor: What does it transmit?
71
What is Pharyngitis?
72
What causes Pharyngitis?
73
Symptoms of Pharyngitis
74
Image: PPT Practice Questions

Sp24 - Head/Neck Anatomy (21 decks)

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