Muscles Of Tongue, Pharynx & Soft Palate

Front 1

the muscles of the tongue can be grouped according to whether they are __________ or _________

Back 1

- Intrinsic
- Extrinsic

Front 2

the tongue consists of symmetrical halves divided from each other by the __________, a deep fibrous structure in the midline of the tongue

Back 2

median septum

Front 3

the median septum corresponds with the midline depression on the tongue's dorsal surface called the _____________

Back 3

median lingual sulcus

Front 4

_________ tongue muscles are all located inside the tongue

Back 4

intrinsic

Front 5

True or False:
All of the intrinsic muscles have their origin outside the tongue yet have their insertion inside the tongue

Back 5

True

Front 6

the four sets of instrinsic mucles are

Back 6

- superior longitudinal muscle
- transverse muscle
- verticle muscle
- inferior longtiudinal muscle

Front 7

The _________ muscle is the most superficial of the intrinsic tongue muscles and it runs in an oblique and longitudinal direction in the doral surface from the base to the apex

Back 7

superior longitudinal muscle

Front 8

the ________ muscles is deep to the superior longitudinal muscle and runs in a transverse direction from the median septum to pass outward toward the lateral surface of the tongue

Back 8

transverse muscle

Front 9

the ________ muscle runs in a vertical direction from the dorsal surface inward to the ventral surface in the body of the tongue

Back 9

vertical muscle

Front 10

the __________ muscle is located in the ventral surface of the tongue and runs in a longitudinal direction from the base to the apex of the tongue

Back 10

inferior longitudinal muscle

Front 11

all intrinsic tongue muscles are innervated by the

Back 11

twelfth cranial nerve (hypoglossal nerve)

Front 12

The superior and inferior longitudinal muscles of the tongue act together to

Back 12

change the shape of the tongue by shortening and thickening it and act singly to help it curl in various directions

Front 13

the transervse and vertical muscles of the tongue act together to

Back 13

make the tongue long and narrow

Front 14

There are ____ pairs of extrinsic tongue muscles

Back 14

3

Front 15

all extrinsic tongue muscles are innervated by

Back 15

the twelfth cranial nerve (hypoglossal nerve)

Front 16

the ________ is a fan-shaped extrinsic tongue muscle superior to the geniohyoid muscle

Back 16

genioglossus muscle

Front 17

the genioglossus muscel originates a the _________ and inserts at the _________

Back 17

- genial tubercles on mandible
- hyoid bone and tongue

Front 18

the genioglossus muscle is innervated by

Back 18

CN XII (hypoglossal nerve)

Front 19

the action of the genioglossus muscle

Back 19

protrusion

Front 20

the styloglossus muscle originates at the _________ and inserts at the _________

Back 20

- styloid process of temporal bone
- tongue

Front 21

the styloglossus muscle is innervated by

Back 21

CN XII (hypoglossal nerve)

Front 22

the action of the styloglossus muscle is

Back 22

retraction

Front 23

the hyoglossus muscle originates at the __________ and inserts at the _________

Back 23

- greater cornu and body of hyoid bone
- tongue

Front 24

the hyoglossus muscle is innervated by

Back 24

CN XII (hypoglossal nerve)

Front 25

the action of the hyoglossus muscle

Back 25

depresses tongue

Front 26

the ________ is part of both the respiratory and digestive tracts and is connected to both the nasal and oral cavities

Back 26

pharynx

Front 27

the pharynx consists of three portions:

Back 27

- nasopharynx
- oropharynx
- laryngopharynx

Front 28

the muscles of the pharnyx include:

Back 28

- stylopharyngeus muscle
- pharyngeal constrictor muscle

Front 29

These muscle are involved in speaking, swallowing, and middle ear function and are responsible for initiating the swallowing process

Back 29

muscle of the pharynx

Front 30

the _________ is a paired longitudinal muscle of the pharynx

Back 30

stylopharyngeus muscle

Front 31

the stylopharyngeus muscle originates at the _________ and inserts at the _________

Back 31

- styloid process
- lateral and posterior pharyngeal walls

Front 32

the stylopharyngeus muscle is innervated by

Back 32

CN IX (glossopharyngeal nerve)

Front 33

the action of the stylopharyngeus muscle

Back 33

elevates and widen pharynx

Front 34

the parhyngeal constrictor muscle consist of three paired muscles that form the lateral and posterior walls of pharynx:

Back 34

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

Front 35

the superior pharyngeal constrictor muscle originates at the _________ and inserts at the __________

Back 35

- pterygoid hamulus, mandible, pterygomandibular
- median pharyngeal raphe

Front 36

the superior pharyngeal constrictor muscle is innervated by

Back 36

pharyngeal plexus

Front 37

the action of the superior pharyngeal constrictor muscle

Back 37

raise pharynx and larynx to help in deglutination (swallowing)

Front 38

the middle pharyngeal constrictor muscle originates at the __________ and inserts at the __________

Back 38

- hyoid bone and stylohoid ligament
- median pharyngeal raphe

Front 39

the middle pharyngeal constrictor muscle is innervated by the

Back 39

pharyngeal plexus

Front 40

the action of the middle pharyngeal constrictor muscle is

Back 40

raise pharynx and larynx to help in deglutination (swallowing)

Front 41

the inferior pharyngeal constrictor muscle originates at the ________ and inserts at the __________

Back 41

- thyroid and cricoids cartilages of larynx
-median pharyngeal raphe

Front 42

the ________ forms the nonbony posterior portion of the roof of the mouth or the oropharnyx and connects laterally with the tongue

Back 42

soft palate

Front 43

the muscles of the soft palate are involved in speaking and swallowing and inlude:

Back 43

- platoglossus
- palatopharyngeus
- levator veli palatini
- tensor veli palatini
- muscle of uvula

Front 44

True or False:
Some anatomists consider the palatoglossus muscle to be an extrinsic muscle of the tongue because it is involved in tongue movement.

Back 44

True

Front 45

True or False
All of the muscles of the soft palate are innervated by the pharyngeal plexus

Back 45

False - all muscle of the soft palate are innervated by the pharyngeal plexus EXCEPT the tensor veli palatini muscle which is innervated by mandibular division of the fifth cranial nerve (CN V3)

Front 46

the ___________ muscle forms the anterior faucial pillar cavity

Back 46

palatoglossus muscle

Front 47

the __________ is a vertical fold in the oral cavity, anterior to each palatine tonsil

Back 47

anterior faucial pillar

Front 48

the palatoglossus muscle originates at the ________ and inserts at the _________

Back 48

- median palatine raphe
- tongue

Front 49

the palatoglossus muscle is innervated by

Back 49

pharyngeal plexus

Front 50

the action of the palatoglossus muscle

Back 50

elevates and arches tongue, depressing soft palate toward tongue

Front 51

the __________ forms the posterior faucial pillar in the oral cavity

Back 51

palatopharyngeus muscle

Front 52

the __________is a vertical fold in the oral cavity that is posterior to each palatine tonsil

Back 52

posterior faucial pillar

Front 53

the palatopharyngeus muscle originate at the _________ and inserts at the ___________

Back 53

- soft palate
- laryngopharynx and thyroid cartilage

Front 54

the palatopharyngeus muscle is innervated by the

Back 54

pharngeal plexus

Front 55

the action of the palatopharyngeus muscle

Back 55

moves palate posterioinferioly and posterior pharyngeal wall anterosuperiorly

Front 56

the _________ is a soft palate muscle that is mainly situated superior to the soft palate

Back 56

levator veli palatine

Front 57

the levator veli palatine originates at the _________ and inserts at the _________

Back 57

- soft palate
- laryngopharynx and thyroid cartilage

Front 58

the levator veli palatine is innervated by

Back 58

pharyngeal plexus

Front 59

the action of the levator veli palatine

Back 59

moves palate posteroinferiorly, moves posterior phayrngeal wall anterosuperiorly

Front 60

the ________ is a special muscle of the soft palate that stiffens the soft palate

Back 60

tensor veli palatini muscle

Front 61

this muscle of the soft palate has some fibers that are also responsible for opening the auditory tube to allow air to flow between the pharynx and middle ear cavity

Back 61

tensor veli palatini muscle

Front 62

the tensor veli palatine muscle originates at the ________ and inserts at the ________

Back 62

- temporal bone
- median palatine

Front 63

the tensor veli palatine muscle is innervated by

Back 63

CN V3 (mandibular division of the fifth or trigeminal nerve)

Front 64

the action of the tensor veli palatine muscle

Back 64

tenses and slightly lowers soft palate

Front 65

True or False:
The uvula is a muscle

Back 65

True

Front 66

the muscle of the uvula originates at the

Back 66

tissue projection that hangs inferiorly from posterior soft palate

Front 67

the muscle of the uvula is innervated by

Back 67

pharngeal plexus

Front 68

the action of the muscle of the uvula

Back 68

shortens and broadens uvula allowing the soft palate to closely adapt to posterior pharyngeal wall

Front 69

True or False:
The uvula is among several muscle that do not have an insertion point

Back 69

FALSE - the uvula is the only muscle with no insertion point