The Pharynx Flashcards Preview

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Flashcards in The Pharynx Deck (30):
1

phraynx:
communications:

- superiorly w/ the ___ cavity via the ___
- anteriorly w/ the ___ cavity
- laterally w/ the ___ cavity via the ___ (aka ___) tubes
- anteroinferioly w/ the ___ via the ___
- posteroinferiorly w/ the ___ as a direct continuation

- nasal cavity via the choanae
- oral cavity
- middle ear cavity via the pharngotympanic (aka eustachian, pharyngeal, auditory) tubes
- larynx via the aditus
- esophagus

2

pharyngeal regions & landmarks:
nasopharyx:

from the ___ to the tip of the ___ & ___ (____

nasal choana
tip of the uvula
soft palate (velum)

3

pharyngeal regions & landmarks:
nasopharyx:
landmarks:

the opening of the ___ (___) tube
the ___ fold
the ___ (___)
the ___

pharyngotympanic (eustachian) tube
salpingopharyngeal fold
pharngeal tonsisls (adenoids)
tubal tonisls

4

pharyngeal regions & landmarks:
oropharynx:

from the ___ arch, ___ (___), & ___ to the ___

palatoglossal arch
soft palate (velum)
uvula
epiglottis

5

pharyngeal regions & landmarks:
oropharynx:
landmarks:

___ arch
___ fossa
___
___

palatopharyngeal arch
tonsillar fossa
palatine tonsils
lingual tonsils

6

pharyngeal regions & landmarks:
laryngopharynx:

from the level of the ___ to the ___ vertebrae that's posterior to the ___

C4 to C6
larynx

7

pharyngeal regions & landmarks:
laryngopharynx:
landmarks:

___
___ folds
___ recesses

epiglottis
aryepiglottic folds
piriform recesses

8

pharyngeal musculature & innervation:

three external, circular, ___ muscles (3)

constrictor
- superior constrictor muscle
- middle constrictor muscle
- inferior constrictor muscle

9

pharyngeal musculature & innervation:
superior constrictor muscle:

originates from the ___ plate

inserts posteriorly into the ___

medial pterygoid plate

median pharyngela raphe

10

pharyngeal musculature & innervation:
middle constrictor muscle:

originates from the ___ & ___ of the ___ bone

inserts into the ___

lesser & greater cornu (horns) of the hyoid bone

median pharyngeal raphe

11

pharyngeal musculature & innervation:
inferior constrictor muscle:

originates from the ___ cartilages

inserts posteriorly into the ___

thyroid cartilages

median pharyngeal raphe

12

pharyngeal musculature & innervation:
three external, circular, constrictor muscles:

all supplied by the ___ plexus of nerves (formed by ___ sensory branches of the ___ nerve, motor branches form the ___ nerve, & sympathetic branches from the ___ ganglion)

action: function to (dilate/constrict) the ___ during swallowing & propel food into the ___

pharyngeal plexus
pharyngeal sensory
glossopharyngeal nerve
vagus nerve
superior cervical ganglion

constrict the pharynx
esophagus

13

pharyngeal musculature & innervation:

three internal, longitudinal ___ muscles (3)

suspensory
- stylopharyngeus muscle
- palatopharyngeus muscle
- salpingopharyngeus muscle

14

pharyngeal musculature & innervation:
suspensory muscles:
stylopharyngeus muscle:

originates on the medial side of the base of the ___ process

inserts on the posterior border of the ___

styloid process

thyroid cartilage

15

pharyngeal musculature & innervation:
suspensory muscles:
palatopharyngeus muscle:

originates from the posterior border of the ___

inserts on the posterior border of the ___ & the side of the ___ & ___

hard palate

thyroid cartilage
pharynx
esophagus

16

pharyngeal musculature & innervation:
suspensory muscles:
salpingopharyngeus muscle:

originates on the cartilaginous portion of the ___

inserts on the fibers of the ___ & ___ muscles on the posterior border of the ___

eustachian tube

stylopharyngeus & palatopharyngeus muscles
thyroid cartilage

17

pharyngeal musculature & innervation:
three internal, longitudinal suspensory muscles:

stylopharyngeus muscle supplied by the ___ nerve

palatopharyngeus & salpingopharyngeus muscles supplied by the ___ plexus of nerves

action: they function to (elevate/depress) the ___ during speaking & (raise/lower) & (expand/contract) the ___ during swallowing

glossopharyngeal nerve

pharyngeal plexus of nerves

elevate the larynx
raise & expand the pharynx

18

pharyngeal musculature & innervation:

three ___(___) muscles (3)

soft palate (velar)
- tensor veli palatine muscle
- levator veli palitini muscle
- musculus uvulae muscle

19

pharyngeal musculature & innervation:
soft palate (velar) muscles:
tensor veli palatine muscle:

originates on the ___ fossa of the ___ & cartilaginous portion of the ___

inserts on the ___ in the (middle/tip) of the soft palate

scaphoid fossa
medial pterygoid plate
eustachian tube

palatine aponeurosis
middle

20

pharyngeal musculature & innervation:
soft palate (velar) muscles:
levator veli palitini muscle:

originates on the cartilaginous portion of the ___

inserts on the ___ in the (middle/tip) of the soft palate

eustachian tube

palatine aponeurosis
middle

21

pharyngeal musculature & innervation:
soft palate (velar) muscles:
musculus uvulae muscle:

originates on posterior ___

inserts on the ___ in the (middle/tip) of the soft palate

nasal spine

palatine aponeurosis
tip

22

pharyngeal musculature & innervation:
soft palate (velar) muscles:

the tensor veli palatine muscle is supplied by the ___ nerve

the levator veli palitini & the musculus uvulae muscles are supplied by the ___ nerves

action: they (tense/relax) & (elevate/depress) the ___ & ___ during swallowing & yawning

mandibular

pharyngeal plexus of nerves

tense & elevate
velum & uvula

23

the pharynx:
deglutition (swallowing):
the first stage:

(voluntary/involuntary) when the bolus is pushed from the ___ into the ___ by movements of the tongue

voluntary
mouth
oropharynx

24

the pharynx:
deglutition (swallowing):
the second stage:

(voluntary/involuntary) & (rapid/slow)

___- like contractions & movements of the ___ muscles & the ___ muscles move the bolus through the ___ & ___ into the ___

involuntary & rapid

peristaltic-like
circular, constrictor muscles
longitudinal, internal pharyngeal muscles
oropharynx & laryngopharynx
esophagus

25

the pharynx:
deglutition (swallowing):
the second stage:

the bolus is prevented from entering the naospharynx by raising the ___ (___) against the posterior wall of the ___ by the ___, ___, & ___ muscles

soft palate (velum)
nasopharynx
tensor veli palatine, levator veli palatine, & musculus uvulae muscles

26

the pharynx:
deglutition (swallowing):
the second stage:

the bolus is also prevented from going into the larynx & trachea by raising the ___ bone & the ___ cartilages through the actions of the ___ muscles & the ___ & ___ muscles

hyoid bone
thyroid cartilages
suprahyoid muscles
palatopharyngeus & stylopharyngeus muscles

27

the pharynx:
deglutition (swallowing):
the second stage:

by raising the thyroid cartilage, the ___ is bent posteroinferioly over the opening (___) of the ___ which deepens the ___ folds

epiglottis
aditus
larynx
aryepiglottic folds

28

the pharynx:
deglutition (swallowing):
the second stage:

the aryepiglottic folds provide channels that guide the bolus posterolateral around the ___ to the ___

larynx
esophagus

29

the pharynx:
deglutition (swallowing):
the third stage:

squeezes the bolus from the ___ into the ___ through the action of the ___ muscle

laryngopharynx
esophagus
inferior constrictor muscle

30

the pharynx:
deglutition (swallowing):
the third stage:

the ___ waves of the longitudinal & circumferential fibers of the (cardiac/skeletal/smooth) muscle lining the ___ & remaining ___ will continue to move the bolus for digestion, absorption, & expulsion

peristaltic waves
smooth muscle
esophagus
digestive tract

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