AndyRDH- Anatomy Section

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Articulation

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162 Terms

1

Articulation

area where the bones are joined to each other

<p>area where the bones are joined to each other</p>
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2

Process

any bony prominence

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3

Sphenoid Bone has how many articulations

14

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4

Pterygoid process is part of __________

sphenoid bone

<p>sphenoid bone</p>
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5

True or false: The mandible is the only moveable bone of the skull at the Temperomandibular joint

True

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6

..A radiopaque band extending downward and forward from the anterior border of the ramus of the mandible

External Oblique ridge.

<p>External Oblique ridge.</p>
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7

Internal Oblique Ridge

(mylohyoid ridge) follows the inside of the ramus and the body of the mandible.

<p>(mylohyoid ridge) follows the inside of the ramus and the body of the mandible.</p>
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8

Condyle articulates with

squamous portion of temporal bone

<p>squamous portion of temporal bone</p>
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9

Coronoid process is the attachment point for _________

Temporalis muscle

<p>Temporalis muscle</p>
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10

Mandibular notch of mandible

depression between the condylar process and the coronoid process

<p>depression between the condylar process and the coronoid process</p>
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11

Origin

Where the muscle orginates; the contraction is TOWARD the origin, the least moveable

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12

Insertion

Where the muscle attaches to the more moveable bone

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13

True or false:

If the name of a muscle is a "combination" the first part is the origin.... the second part is the insertion

True

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14

sternocleidomastoid origin

Medial portion of the clavical and the sternums superior and lateral surfaces

<p>Medial portion of the clavical and the sternums superior and lateral surfaces</p>
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15

Sternocleidomastoid innervation

Eleveneth (XII) cranial nerve or accessory nerve

<p>Eleveneth (XII) cranial nerve or accessory nerve</p>
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16

Sternocleidomastoid insertion

Mastoid process of temporal bone

<p>Mastoid process of temporal bone</p>
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17

Sternocleidomastoid movement

tilts and rotates head and neck; flexing of neck; stabilize neck

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18

Trapezius origin

External surface of the occipital bone and the posterior midline of the cervical and thoracic regions

<p>External surface of the occipital bone and the posterior midline of the cervical and thoracic regions</p>
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19

Trapezius Innervation

Eleventh (XII) cranial nerve or accessory nerve

and Third and fourth cervical nerves

<p>Eleventh (XII) cranial nerve or accessory nerve</p><p>and Third and fourth cervical nerves</p>
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20

Trapezius Insertion

Lateral one third of the clavicle and parts of the scaapula

<p>Lateral one third of the clavicle and parts of the scaapula</p>
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21

Trapezius Movements

Lifts and rotates the shoulders; dorsal flexion of the head; twist head

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22

Muscles of facial expression

Orbicularis oris

Buccinator

Risoris

Zygomaticus

Levator anguli oris

Depressor anguli oris

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23

Orbicularis Oris origin (muscle of facial expression)

encircles of the mouth

<p>encircles of the mouth</p>
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24

Orbicularis oris insertion (muscle of facial expression)

Angle of the mouth

<p>Angle of the mouth</p>
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25

Orbicularis oris expression (muscle of facial expression)

closing or pursing lips

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26

Buccinator origin (muscle of facial expression)

Maxilla, mandible, and pterygoid raphe

<p>Maxilla, mandible, and pterygoid raphe</p>
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27

Buccinator insertion (muscle of facial expression)

angle of mouth, orbicularis oris

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28

Buccinator expression (muscle of facial expression)

Flattens cheek/ assists in chewing; assists the muscles of mastication (MMTL)

<p>Flattens cheek/ assists in chewing; assists the muscles of mastication (MMTL)</p>
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29

Risorius origin (muscle of facial expressions)

Fascia superficial to masseter muscle

<p>Fascia superficial to masseter muscle</p>
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30

Risorius Insertion (muscle of facial expression)

Angle of mouth

<p>Angle of mouth</p>
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31

Risorius expression (muscle of facial expression)

smiling widely

<p>smiling widely</p>
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32

Zygomaticus Origin (muscle of facial expression)

zygomatic bone

<p>zygomatic bone</p>
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33

Zygomaticus Insertion (muscle of facial expression)

Major: Angle of mouth

Minor: Upper lip

<p>Major: Angle of mouth</p><p>Minor: Upper lip</p>
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34

Zygomaticus Expression (muscle of facial expression)

smiling and raising upper lip

<p>smiling and raising upper lip </p>
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35

Levator anguli oris origin (muscle of facial expression)

canine fossa of maxilla

<p>canine fossa of maxilla</p>
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36

Levator anguli oris insertion (muscle of facial expression)

angle of mouth

<p>angle of mouth</p>
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37

Levator anguli oris expression

smiling

<p>smiling</p>
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38

Depressor anguli oris origin (muscle of facial expression)

mandible

<p>mandible</p>
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39

Depressor anguli oris Insertion (muscle of facial expression)

angle of mouth

<p>angle of mouth</p>
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40

Depressor anguli oris expression (muscle of facial expression)

Frowning

<p>Frowning </p>
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41

True or false:

All facial muscles are innervated by the Seventh (VII) cranial nerve or facial nerve

True

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42

Seventh (VII) cranial nerve is also called

Facial nerve

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43

True or false:

In general, facial muscles have origins with bone and insertions in skin tissue

True

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44

Muscles of mastication

-Mom Makes Tasty Lasagna

Masseter, temporalis, medial pterygoid, lateral pterygoid

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45

masseter origin (muscle of mastication)

Superficial head: Anteriror 2/3 of the lower boarder of the zygomatic arch

Deep head: posterior 1/3 and medial surface of the zygomatic arch

<p>Superficial head: Anteriror 2/3 of the lower boarder of the zygomatic arch</p><p>Deep head: posterior 1/3 and medial surface of the zygomatic arch</p>
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46

True or false: Masseter muscle can become enlarged in patients who habitually clench or grind (bruxism)

True

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47

Masseter insertion (muscle of mastication)

Superficial head: angle of the mandible

Deep head: upper half of ramus of and as high as the coronoid process of the mandible

<p>Superficial head: angle of the mandible</p><p>Deep head: upper half of ramus of and as high as the coronoid process of the mandible</p>
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48

Masseter Movement (muscle of mastication)

Elevation of mandible during jaw closing

<p>Elevation of mandible during jaw closing </p>
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49

Temporalis origin (muscle of mastication)

Temporal fossa

<p>Temporal fossa</p>
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50

Temporalis insertion (muscle of mastication)

coronoid process of mandible

<p>coronoid process of mandible</p>
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51

Temporalis movement (muscle of mastication)

Elevation of mandible during jaw closing

Retraction of mandible (lower jaw backward)

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52

Medial Pterygoid origin (muscle of mastication)

Pterygoid fossa of Sphenoid Bone

<p>Pterygoid fossa of Sphenoid Bone </p>
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53

Medial Pterygoid Insertion (muscle of mastication)

Angle of mandible

<p>Angle of mandible</p>
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54

Medial Pterygoid Movement (muscle of mastication)

Elevation of mandible during jaw closing

<p>Elevation of mandible during jaw closing </p>
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55

Lateral Pterygoid Origin (muscle of mastication)

Superior head: Greater wing of Sphenoid bone

Inferior head: Lateral pterygoid plate from sphenoid bone

<p>Superior head: Greater wing of Sphenoid bone</p><p>Inferior head: Lateral pterygoid plate from sphenoid bone</p>
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56

what muscle of mastication is most likely affected by direct trauma to the TMJ?

Lateral Pterygoid

<p>Lateral Pterygoid</p>
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57

Lateral Pterygoid Insertion (muscle of mastication)

Both heads: pterygoid fovea of mandible below condyloid process of mandible and intra-articular cartilage (articular disk) of TMJ

<p>Both heads: pterygoid fovea of mandible below condyloid process of mandible and intra-articular cartilage (articular disk) of TMJ </p>
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58

Lateral pterygoid movements (muscle of mastication)

Inferior Heads: Slight depression of mandible during jaw opening

One muscle: lateral deviation of mandible (shift lower jaw)

Both muscles: Protrusion of mandible (lower jaw forward)

<p>Inferior Heads: Slight depression of mandible during jaw opening </p><p>One muscle: lateral deviation of mandible (shift lower jaw) </p><p>Both muscles: Protrusion of mandible (lower jaw forward) </p>
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59

True or false:

All muscles of mastication are innervated by the mandibular division of the fifth cranial or trigeminal nerve (v3)

True

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60

true or false:

Blood is supplied by the maxillary artery (branch of the external carotid artery) to all muscles of mastication

True

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61

True or false:

All muscles of mastication insert on the mandible

True

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62

True or false:

All muscles of the hyoid insert on the hyoid bone

True

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63

Hyoid muscles assist in _________

mastication and swallowing

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64

What bone does not articulate with any other bone?

hyoid bone

<p>hyoid bone</p>
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65

Mylohyoid makes up the

floor of the mouth

<p>floor of the mouth</p>
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66

Mylohyoid is innervated by

V3 (fifth cranial or trigeminal nerve)

<p>V3 (fifth cranial or trigeminal nerve)</p>
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67

Suprahyoid movement (includes the mylohyoid)

Depression of mandible

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68

Suprahyoid Action (includes the mylohyoid)

Swallowing

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69

Infrahyoid movement

Stabilize hyoid bone

<p>Stabilize hyoid bone</p>
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70

Infrahyoid Action

Swallowing and speech

<p>Swallowing and speech</p>
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71

True or false:

Muscles of the pharynx are involved in speaking, swallowing, and middle ear function

True

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72

what muscle of the soft palate initiates swallowing?

Palatoglossus muscle

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73

Palatoglossus muscle elevates the_________of the tongue and depresses the ___

base; soft palate

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74

tissue that extends from the junction of the hard and soft palates down to the mandible (distal to the last tooth) and stretches upon opening (Referred to as raphe)

Pterygomandibular fold

<p>Pterygomandibular fold</p>
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75

palatine rugae

the ridges that run horizontally across the hard palate behind the incisive papilla

<p>the ridges that run horizontally across the hard palate behind the incisive papilla</p>
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76

Median palatine raphe

A midline ridge of tissue on the hard palate, which runs from the uvula to the incisive papilla

<p>A midline ridge of tissue on the hard palate, which runs from the uvula to the incisive papilla</p>
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77

Floor of the mouth is located inferior to the ventral surface of the tongue and includes:

Lingual frenum

Sublingual folds (pilca siblingualis)

Sublingual caruncle

<p>Lingual frenum</p><p>Sublingual folds (pilca siblingualis)</p><p>Sublingual caruncle</p>
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78

Lingual frenum

midline fold of tissue between the ventral surface of the tongue and the floor of the mouth

<p>midline fold of tissue between the ventral surface of the tongue and the floor of the mouth</p>
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79

Sublingual fold (plica sublingualis)

a 'v' shaped ridge of tissue on each side of the frenum, which empty the sublingual glands

<p>a 'v' shaped ridge of tissue on each side of the frenum, which empty the sublingual glands</p>
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80

Sublingual caruncles (Wharton's duct openings)

A pair of papillae under the floor of the mouth extending from the first molar on either side of the lingual frenum. Each papillae contains an opening of the submandibular and sublingual salivary glands.

<p>A pair of papillae under the floor of the mouth extending from the first molar on either side of the lingual frenum. Each papillae contains an opening of the submandibular and sublingual salivary glands.</p>
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81

Anterior 2/3 of the tongue muscles are innrevated by:

lingual nerve (v3) and chorda tympani

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82

Posterior 1/3 of the tongue muscles are inervated by:

IX (glossopharyngeal nerve)

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83

Extrinsic muscles of the tongue

genioglossus, styloglossus, hyoglossus

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84

Genioglossus (extrinsic muscle of tongue)

Protrudes tongue (sticks tongue out)

<p>Protrudes tongue (sticks tongue out)</p>
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85

Styloglossus (extrinsic muscle of the tongue)

Retracts the tongue (has style, doesnt stick tongue out)

<p>Retracts the tongue (has style, doesnt stick tongue out)</p>
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86

Hyoglossus

depresses tongue

<p>depresses tongue</p>
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87

True or false:

Extrinsic muscles of the tongue move/control position of the tongue

True

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88

Extrinsic muscles of the tongue get their blood supply from the

Lingual artery

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89

Contain taste buds (red in color)

foliate papilla

<p>foliate papilla</p>
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90

10 to 14, contains taste buds and associated with ducts of Von Ebner's glands, large

Circumvallate papilla

<p>Circumvallate papilla</p>
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91

Fewer, Contain taste buds, red, mushroom shaped

fungiform papilla

<p>fungiform papilla</p>
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92

the most numerous but do not contain taste buds, keratinized tissue give tongue a velvety texture; associated with geographic tongue and hairy tongue (whitish tint in color)

Filiform papilla

<p>Filiform papilla</p>
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93

Foliate lingual

Located on lateral surface (side) of tongue, some contain taste buds

<p>Located on lateral surface (side) of tongue, some contain taste buds</p>
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94

Sulcus terminalis of tongue

V shaped shallow groove separating anterior 2/3 of body from posterior 1/3 of base

<p>V shaped shallow groove separating anterior 2/3 of body from posterior 1/3 of base</p>
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95

What joint is the hinge and sliding joint?

TMJ

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96

What bone includes the articular eminence (articular tubercle), articular fossa (mandibular fossa), and postglenoid process?

Temporal bone

<p>Temporal bone</p>
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97

what bone includes the condyle of the mandible, the coronoid process and the mandibular notch?

Mandible

<p>Mandible</p>
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98

Contains synovial fluid to lubricate the TMJ, divides the TMJ into two compartments called synovial cavities

Articular disc

<p>Articular disc</p>
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99

what kind of connective tissue are articular disc's of tmj made out of?

Fibrous, dense, connective tissue

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100

TMJ ligaments

TMJ ligament, sphenomandibular ligament, stylomandibular ligament

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