articulation lecture 18

Question 1

what are the muscles of the velum

Answer 1

levator veli palatini, muscularus uvulae, tensor veli palatini, palatopharyngeus

Question 2

where does the levator veli palatini arise and insert

Answer 2

arises from petrous portion inserts into soft palate lateral to uvulae

Question 3

levator veli palatini elevates and retracts what

Answer 3

the soft palate

Question 4

levator veli palatini is innervated by what

Answer 4

accessory and vagus nerve

Question 5

what is muscularus uvulae

Answer 5

a muscle embodied within the uvulae
runs from palatine bones to sides of velum
shortens the soft palate
innervated by accessory and vagus nerve

Question 6

muscularus uvulae goes from where to where

Answer 6

palatine bones to sides of velum

Question 7

muscularus uvulae innervated by what

Answer 7

accessory and vagus

Question 8

where does tensor veli palatini arise and insert

Answer 8

arises from sphenoid bone and lateral eustachian tube wall and inserts into palatine bone

Question 9

what does tensor veli palatini do

Answer 9

dilates eustachian tube

Question 10

tensor veli palatini innervated by what

Answer 10

trigeminal

Question 11

where does palatopharyngeus originate and insert

Answer 11

originates from anterior hard palate and inserts into posterior thyroid cartilate

Question 12

what does palatopharyngeus do

Answer 12

narrowing pharyngeal cavity
lowers soft palate
assists in elevating larynx

Question 13

palatopharyngeus innervated by what

Answer 13

accessory and vagus

Question 14

what are the muscles of the pharynx

Answer 14

superior pharyngeal constrictor, middle pharyngeal constrictor, inferior pharyngeal constrictor, salpingopharyngeus

Question 15

what is the superior pharyngeal constrictor

Answer 15

• superior sleeve of pharyngeal wall attaching to temporal bone, medial pterygoid plate, and eustachian tube
• forms sides and back wall of nasopharynx and oropharynx
• pulls pharyngeal wall forward and constricts the pharyngeal diameter
• effects velopharyngeal seal

Question 16

what does superior pharyngeal constrictor affect

Answer 16

velopharyngeal seal

Question 17

superior pharyngeal constrictor innervated by what

Answer 17

accessory and vagus

Question 18

middle pharyngeal constrictor

Answer 18

narrows diameter of pharyn

Question 19

middle pharyngeal constrictor innervation

Answer 19

accessory and vagus

Question 20

where does middle pharyngeal constrictor arise and insert

Answer 20

arises from horns of hyoid and inserts into medial pharyngeal raphe

Question 21

where is superior pharyngeal constrictor

Answer 21

superior sleeve of pharyngeal wall attaching to temporal bone, medial pterygoid plate, and eustachian tube

Question 22

where does inferior pharyngeal constrictor arise and insert

Answer 22

arises from sides of cricoid cartilage and inserts into orificie of esophagus

Question 23

inferior pharyngeal constrictor does what

Answer 23

reduces diameter of lower pharynx and important muscle for swallowing

Question 24

inferior pharyngeal constrictor innervation

Answer 24

accessory and vagus

Question 25

where does salpingopharyngeus arise from

Answer 25

arises from lower portion of eustachian tube

Question 26

salpingopharyngeus does what

Answer 26

converges with palatopharyngeus and shortens pharynx

Question 27

salpingopharyngeus innervation

Answer 27

accessory and vagus

Question 28

what part of the velum closes for non nasal speech

Answer 28

levator veli palatini

Question 29

range of motion and rate of movement in velum matches what

Answer 29

needs of rapid speech and nonspeech functions

Question 30

what requires greater velopharyngeal effort and which muscles help with that

Answer 30

the production of high pressure consonants superior pharyngeal constrictor and uvular muscles

Question 31

hard and soft palate in velum

Answer 31

richly endowed with receptors that provide feedback concerning pressure and they facilitate or inhibit motor lingual activity muscle spindles in tensor veli palatini, palatoglossus, and levator velipalatini

Question 32

where does masseter originate and insert

Answer 32

originates at zygomatic arch and inserts into angl/neck of mandible

Question 33

what does masseter elevate/depress

Answer 33

elevates mandible, teeth clenched

Question 34

masseter innervation

Answer 34

trigeminal

Question 35

temporalis arises from and inserts where

Answer 35

arises from temporal fossa and inserts into coronoid process of mandible

Question 36

what does temporalis elevate/depress

Answer 36

elevates mandible and draws it back

Question 37

temporalis innervation

Answer 37

trigeminal

Question 38

which muscles elevate mandible

Answer 38

masseter, temporalis, and medial pterygoid and lateral pterygoid

Question 39

where does medial pterygoid originate and insert

Answer 39

originates from medial pterygoid plate and inserts into mandible neck/angle

Question 40

what does medial pterygoid elevate/depress

Answer 40

elevates mandible in conjunction w masseter

Question 41

where does lateral pterygoid arise and insert

Answer 41

arises from sphenoid bone and insert into pterygoid fovea of mandible

Question 42

what does lateral pterygoid do to mandible

Answer 42

protrudes mandible

Question 43

lateral and medial pterygoid innervation

Answer 43

trigeminal

Question 44

digastricts originate where

Answer 44

anterior originates at inner surface of mandible and posterior originates from mastoid process

Question 45

what does digastrics elevate/depress

Answer 45

depresses mandible

Question 46

digastrics innervation

Answer 46

facial

Question 47

mylohyoid originates and inserts where

Answer 47

originates from underside of mandible and fanlike muscle inserts into hyoid

Question 48

mylohyoid elevates/depresses what

Answer 48

depresses mandible

Question 49

mylohyoid innervation

Answer 49

trigeminal

Question 50

geniohyoid originates and inserts where

Answer 50

originates at mental spines of mandible and inserts into corpus hyoid

Question 51

geniohyoid is where

Answer 51

lies just under bodoy of tongue

Question 52

geniohyoid elevates or depresses what

Answer 52

depresses mandible if hyoid is fixed

Question 53

geniohyoid innervation

Answer 53

hypoglossal