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Neuro III > Pharynx > Flashcards

Pharynx Flashcards

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1
Q

what does the pharynx connect

A

oral and nasal cavities to the larynx

oral cavity to esophagus

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2
Q

what does the pharynx connect

A

oral and nasal cavities to the larynx

oral cavity to esophagus

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3
Q

What are the 3 divisions of the pharynx

A

nasopharynx
oropharynx
laryngopharynx

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4
Q

what 7 cavities can the pharynx communicate with

A 
nasal cavities (2) via chonae
Tympanic cavities (2) via auditory tube
oral cavity
larynx
esophagus
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5
Q

What are the internal features of the nasopharynx

A

pharyngeal recess, pharyngeal tonsil, tubal tonsil, torus tubarious, salpingopharyngeal fold, levator pad

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6
Q

What are the adenoids

A

enlarged, inflammed pharyngeal tonsils
can make breathing difficult
can also spread to middle ear causing otitis media

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7
Q

what type of tissue is the tubal tonsil made of

A

lymphoid

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8
Q

where is the tubal tonsil located

A

near opening of auditory tube

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9
Q

What is the torus tubularis

A

mucosal prominence formed by cartilage of auditory tube

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10
Q

What structure represents the opening of the auditory tube

A

pharyngeal ostium below the torus tubularis

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11
Q

What is the salpingopharyngeal fold

A

fold of mucosa over salpingopharyngeaus muscle

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12
Q

what is the o and i of salpingopharyngeus

action and inn

A

o: cartilage auditory tube
i: thyroid cartilage
inn: vagus
action: assist in swallowing

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13
Q

what is the levator pad and where is it

A

fold of mucosa overlaying levator veli palatini m located below torus tubarius

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14
Q

What structures are in the oropharynx

A

facuces, faucial pillars, palatoglossal arch, palatopharyngeal archm tonsillar bed/fossa
palatine tonsil
epiglottic valleculae

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15
Q

what are the fauces of oropharynx

A

passageway from mouth to oropharynx

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16
Q

what are the faucial pillars

A

palatoglossal and palatopharyngeal folds

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17
Q

what is the palatoglossal arch formed by

A

fold of mucosa over the palatoglossus muscle

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18
Q

o and i, action and inn of palatoglossus m

A

o: soft palate
i: tongue
inn: vagus
action: pulls tongue and soft palate together for swallowing

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19
Q

what is the palatopharyngeal arch formed by

A

mucosa over the palatopharyngeal m

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20
Q

o an i, action and inn of palatopharyngeal m

A

o: soft palate
i: thyroid cartilage
inn: vagus
action: swallowing

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21
Q

Where is the tonsillar bed/fossa

A

depression between palatoglossal and palatopharyngeal folds

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22
Q

What structures form the tonsillar bed

A

superior constrictor, hyoglossus, middle constrictor

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23
Q

What type of tissue is the palatine tonsil and where is it found

A

lymphoid tissue, found within tonsillar bed

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24
Q

Where are the epiglottic valleculae and what forms them

A

depressions between epiglottis and posteiror tongue, formed by lateral and median glossoepiglottic folds

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25
What are the structures in the laryngopharynx
laryngeal inlet, piriform recess
26
what is the laryngeal inlet of laryngopharynx
anterior communication with larynx
27
what is the piriform recess and what n runs deep to it
depression lateral to larynx, internal laryngeal n runs deep to mucosa
28
what does the laryngopharynx become
esophagus
29
where can lodged food from swallowing get stuck
in the epiglottic valleculae or piriform recesses
30
What could happen if food gets stuck in the piriform recess
can puncture and hurt the internal laryngeal n, thus altering vocal folds
31
What are the fascias of the pharynx
pharyngobasilar fascia which lines the mm of pharynx internally buccopharyngeal fascia which covers mm of pharynx externally
32
Where is superior constrictor m, inn and action
ciruclarly oriented, attaches to base of skull inn by vagus via pharyngeal plexus swallowing
33
where is the inferior constrictor, inn and action
circularly oriented attaches to thyroid and cricoid cartilages inn by vagus via pharyngeal plexus, swallowing
34
where is the inferior constrictor, inn and action
circularly oriented attaches to thyroid and cricoid cartilages inn by vagus via pharyngeal plexus, swallowing
35
What are the 3 divisions of the pharynx
nasopharynx oropharynx laryngopharynx
36
what 7 cavities can the pharynx communicate with
``` nasal cavities (2) via chonae Tympanic cavities (2) via auditory tube oral cavity larynx esophagus ```
37
What are the internal features of the nasopharynx
pharyngeal recess, pharyngeal tonsil, tubal tonsil, torus tubarious, salpingopharyngeal fold, levator pad
38
What are the adenoids
enlarged, inflammed pharyngeal tonsils can make breathing difficult can also spread to middle ear causing otitis media
39
what type of tissue is the tubal tonsil made of
lymphoid
40
where is the tubal tonsil located
near opening of auditory tube
41
What is the torus tubularis
mucosal prominence formed by cartilage of auditory tube
42
What structure represents the opening of the auditory tube
pharyngeal ostium below the torus tubularis
43
What is the salpingopharyngeal fold
fold of mucosa over salpingopharyngeaus muscle
44
what is the o and i of salpingopharyngeus | action and inn
o: cartilage auditory tube i: thyroid cartilage inn: vagus action: assist in swallowing
45
what is the levator pad and where is it
fold of mucosa overlaying levator veli palatini m located below torus tubarius
46
What structures are in the oropharynx
facuces, faucial pillars, palatoglossal arch, palatopharyngeal archm tonsillar bed/fossa palatine tonsil epiglottic valleculae
47
what are the fauces of oropharynx
passageway from mouth to oropharynx
48
what are the faucial pillars
palatoglossal and palatopharyngeal folds
49
what is the palatoglossal arch formed by
fold of mucosa over the palatoglossus muscle
50
o and i, action and inn of palatoglossus m
o: soft palate i: tongue inn: vagus action: pulls tongue and soft palate together for swallowing
51
what is the palatopharyngeal arch formed by
mucosa over the palatopharyngeal m
52
o an i, action and inn of palatopharyngeal m
o: soft palate i: thyroid cartilage inn: vagus action: swallowing
53
Where is the tonsillar bed/fossa
depression between palatoglossal and palatopharyngeal folds
54
What structures form the tonsillar bed
superior constrictor, hyoglossus, middle constrictor
55
What type of tissue is the palatine tonsil and where is it found
lymphoid tissue, found within tonsillar bed
56
Where are the epiglottic valleculae and what forms them
depressions between epiglottis and posteiror tongue, formed by lateral and median glossoepiglottic folds
57
What are the structures in the laryngopharynx
laryngeal inlet, piriform recess
58
what is the laryngeal inlet of laryngopharynx
anterior communication with larynx
59
what is the piriform recess and what n runs deep to it
depression lateral to larynx, internal laryngeal n runs deep to mucosa
60
what does the laryngopharynx become
esophagus
61
where can lodged food from swallowing get stuck
in the epiglottic valleculae or piriform recesses
62
What could happen if food gets stuck in the piriform recess
can puncture and hurt the internal laryngeal n, thus altering vocal folds
63
What are the fascias of the pharynx
pharyngobasilar fascia which lines the mm of pharynx internally buccopharyngeal fascia which covers mm of pharynx externally
64
Where is superior constrictor m, inn and action
ciruclarly oriented, attaches to base of skull inn by vagus via pharyngeal plexus swallowing
65
where is the middle constrictor, inn and action
circularly oriented attaches to hyoid bone, inn by vagus via pharyngeal plexus, swallowing
66
where is the inferior constrictor, inn and action
circularly oriented attaches to thyroid and cricoid cartilages inn by vagus via pharyngeal plexus, swallowing
67
o and i, inn action of stylopharyngeus
o: styloid process i: thyroid cartilage inn: IX action: swallowing
68
o and i, inn,action of salpingopharyngeus
o: cartilage auditory tube i: thyroid cartilage inn: X action: swallowing
69
o and i, inn and action of palatopharyngeus
o: hard and soft palates i: thyroid cartilage inn: X action: swallowing
70
What do all of the pharyngeal constrictors attach to
the pharyngeal raphe posteriorly, CT that attaches to pharyngeal tubercle on base of skull
71
How many gaps are formed by the overlapping pharyngeal mm
4
72
Where is gap 1 in pharynx and what structures around found in it
between base of skull and superior constrictor | passage of levator veli palatini and auditory tube
73
Where is gap 2 in pharynx and what structures around found in it
between superior and middle constrictors | passage of stylopharyngeus and glosspharyngeal n (IX)
74
Where is gap 3 in pharynx and what structures around found in it
between middle and inferior constrictors | passage of internal laryngeal n and superior laryngeal a
75
Where is gap 4 in pharynx and what structures around found in it
between inferior constrictor m and esophagus | passage for inferior (recurrent) laryngeal n and a
76
What aa and vv provide pharynx
superior thyroid a, ascending pharyngeal a | vv: pharyngeal plexus which goes to internal jugular v
77
What nn fibers are in pharyngeal n plexus
SVE from vagus and IX GVA from IX SANS from cervical sympathetic chain
78
Describe inn involved in gag reflex
afferent IX | efferent X
79
How is the gag reflex stimulated
touching roof of tongue, oropharynx
80
What are the main drainage of lymph for pharynx
retropharyngeal, deep cervical

Neuro III (10 decks)

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