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Oral Anatomy > Joints, Muscles, Nerves and Vessels of the Skull > Flashcards

Joints, Muscles, Nerves and Vessels of the Skull Flashcards

1
Q

Where does the tempromandibular ligament attach?

A

From the zygomatic arch to the neck of the condyle

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2
Q

The tempromandibular ligament is the lateral part of this

A

Capsular ligament

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3
Q

Where does the stylomandibular ligament attach?

A

From the styloid process of the temporal bone to the posterior angle of the mandible

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4
Q

Where does the sphenomandibular ligament attach?

A

From the angular spine of the sphenoid to the lingula of the mandible

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5
Q

What is the origin of the masseter muscle?

A

Zygomatic arch

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6
Q

What is the insertion of the masseter muscle?

A

Lateral angle of the mandible

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7
Q

What movement does the masseter muscle provide?

A

Elevates the mandible

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8
Q

What is the origin of the temporalis muscle?

A

Temporal fossae

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9
Q

What is the insertion of the temporalis muscle?

A

Temporal crest of the mandible

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10
Q

What anterior movement does the temporalis muscle provide?

A

Elevate and position the mandible

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11
Q

What is the posterior movement of the temporalis muscle provide?

A

Retrude and position the mandible

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12
Q

What is the origin of the medial pterygoid muscle?

A

Pterygoid fossa

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13
Q

What is the insertion of the medial pterygoid muscle?

A

Medial angle of the mandible

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14
Q

What movement is the medial pterygoid muscle responsible for?

A

Elevate the mandible

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15
Q

What is the origin of the superior head of the lateral pterygoid muscle?

A

Infra temporal surface of the sphenoid bone

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16
Q

What is the insertion of the lateral pterygoid muscle?

A

Neck of the condyle

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17
Q

When both lateral pterygoid muscles are working together, what movement are they responsible for?

A

Protrude and depress the mandible

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18
Q

When only one lateral pterygoid is working, what movement is it responsible for?

A

Lateral movement toward the other side

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19
Q

Group of muscles that attach from the hyoid bone down to the sternum or clavicle

A

Infrahyoid group

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20
Q

Group of muscles that attach from the hyoid bone up to the mandible

A

Suprahyoid group

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21
Q

Together the supra and infra hyoid groups are responsible for this movement

A

Retrude and depress the mandible

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22
Q

Where does the geniohyoid muscle insert?

A

Genial tubercles of the mandible

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23
Q

Where does the mylohyoid muscle insert?

A

Mylohyoid ridge of the mandible

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24
Q

The cheek muscle

A

Buccinator muscle

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25
Q

Muscle that surrounds the lips as the pucker muscle

A

Orbicularis oris

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26
Q

The smile muscles that elevate the upper lip

A

Levator labii superioris

Levator anguli oris

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27
Q

The frown muscles that depress the lower lip

A

Depressor labii inferioris

Depressor anguli oris

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28
Q

Muscle in the chin area that can make it difficult to access the lower teeth if it is tense

A

Mentalis muscle

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29
Q

Thin muscle that covers the front of the neck just under the skin

A

Platysma

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30
Q

Muscle that goes from the mastoid process to the sternum and clavicle

A

Sternocleidomastoid muscle

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31
Q

Division I of the trigeminal nerve

A

Ophthalmic

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32
Q

This division of the trigeminal nerve goes to the skin of the nose and forehead

A

Ophthalmic

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33
Q

Area located between the greater and lesser wings of the sphenoid bone where the Ophthalmic division of the trigeminal nerve innervates.

A

Superior orbital fissure

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34
Q

Division of the trigeminal nerve that exits the brain through the foramen rotundum

A

Maxillary, Division II

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35
Q

Branch of the Maxillary Division of the trigeminal nerve that branches off within the pterygoid fossa. It gives off 3 branches

A

Pterygopalatine

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36
Q

The three branches of the Pterygoid palatine branch of the maxillary branch of the trigeminal nerve.

A

Nasopalatine, greater palatine, and middle and posterior palatine

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37
Q

Branch of the pterygopalatine that passes along the nasal septum in the nasal cavity

A

Nasopalatine

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38
Q

What does the nasopalatine nerve pass through?

A

Incisive canal

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39
Q

Where does the nasopalatine innervate?

A

Front of the palate

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40
Q

Branch of the pterygpopalatine that goes to the posterior portion of the hard palate

A

Greater (anterior) palatine

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41
Q

That does the greater palatine nerve pass thorough?

A

Greater palatine foramen

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42
Q

Where does the middle and posterior palatine branches of the pterygopalatine enter the palate?

A

Lesser palatine foramen

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43
Q

Branch of the maxillary branch of the trigeminal nerve that splits off within the pterygopalatine fossa.

A

Posterior Superior Alveolar (PSA)

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44
Q

The posterior superior alveolar branch passes through this opening into the maxillary sinus.

A

Alveolar canal

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45
Q

What does the Posterior Superior Alveolar branch innervate?

A

Pulp of the maxillary molars. Except the mesiobuccal root of the first molar

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46
Q

Branch of the Maxillary branch of the trigeminal nerve that splits off into the MSA and ASA.

A

Infraorbital nerve

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47
Q

Branch of the infraorbital nerve that passes along the wall of the maxillary sinus to the pulp of the maxillary premolars and the mesiobuccal root of the first molar

A

Middle Superior Alveolar (MSA)

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48
Q

What does the Middle Superior Alveolar branch innervate?

A

Maxillary premolars and the mesiobuccal root of the first molar.

49
Q

Branch of the infraorbital nerve that passes through the maxillary sinus and the trabecular bone to the pulp of the anterior maxillary teeth

A

Anterior Superior Alveolar

50
Q

What does the Anterior Superior Alveolar branch innervate

A

Anterior maxillary teeth (canine to canine)

51
Q

After exiting from the infraorbital foramen these branches split off to supply the upper lip, side of the nose and lower eyelid as well as tissue next to the premolars and anterior teeth.

A

Terminal branches

52
Q

What do the terminal branches innervate?

A

Upper lip, side of the nose, lower eyelid, tissue next to the premolars and anterior teeth.

53
Q

Branch of the maxillary nerve that goes from the pterygopalatine fossa to the temporal bone and orbit

A

Zygomatic nerve

54
Q

Branch of the trigeminal nerve that gives off the motor branches to the muscles of mastication

A

Mandibular

55
Q

Where does the mandibular branch of the motor portion of the trigeminal nerve exit the brain?

A

Foramen ovale

56
Q

What does the buccinator nerve pass through?

A

Infratemporal fossa

57
Q

What does the buccinator nerve innervate?

A

The tissue in the cheek above the buccal shelf next to the premolars and molars.

58
Q

Where does the lingual nerve pass near?

A

Mylohyoid line of the mandible

59
Q

What does the lingual nerve innervate?

A

Tissue of the floor of the mouth and sensory to the anterior 2/3 of the tongue.

60
Q

Where does the inferior alveolar nerve enter the mandible?

A

Mandibular canal opening

61
Q

What does the inferior alveolar nerve innervate?

A

Pulp of the mandibular posterior teeth

62
Q

This branch of the mandibular nerve branches before entering the mandibular canal and passes in the mylohyoid groove to muscles in the floor of the mouth

A

Mylohyoid nerve

63
Q

Terminal branch of the inferior alveolar nerve that exits the mandible to innervate the lower lip

A

Mental nerve

64
Q

What does the mental nerve innervate

65
Q

Terminal branch of the inferior alveolar that continues within the mandibular canal to enter the pulp of the mandibular anterior teeth.

A

Incisive nerve

66
Q

What does the incisive nerve innervate?

A

Lower anterior teeth

67
Q

Branch of the mandibular nerve that passes tot he TMJ and skin over the lateral skull

A

Auriculotemporal nerve

68
Q

What do the efferent branches of the facial nerve innervate?

A

Muscles of facial expression, including the orbicularis orbis and buccinator

69
Q

What nerve controls secretion of the submandibular and sublingual glands?

A

Efferent portion of the facial nerve

70
Q

What does the efferent branch of the facial nerve innervate on the tongue

A

Supply taste to the anterior 2/3

71
Q

Where does the facial nerve exit the brain?

A

Internal Auditory Meatus

72
Q

Where does the facial nerve exit the skull?

A

Stylomastoid foramen

73
Q

The glossaopharyngeal nerve supplies this to the tongue

A

Taste and general sensation to the posterior 1/3

74
Q

What nerve controls the secretion of the parotid gland?

A

Glossopharyngeal

75
Q

Where does the glossopharyngeal nerve exit the cranium?

A

Jugular foramen

76
Q

Nerve that controls the motor impulses of all the muscles of the tongue.

A

Hypoglossal

77
Q

Where does the hypoglossal nerve exit the cranium?

A

Hypoglossal canal

78
Q

This carries blood through vessels from the heart through the neck

A

External carotid artery

79
Q

Branch of the external carotid artery that goes to the floor of the mouth and lingual gingiva of the mandible

A

Lingual artery

80
Q

What does the lingual artery supply

A

Floor of the mouth

Lingual gingiva of the mandible

81
Q

Branch of the external carotid artery that goes through the antigonial notch to the lips and nose

A

Facial artery

82
Q

What does the facial artery supply

A

Lips and nose

83
Q

Branch of the external carotid artery that is given off within the parotid gland

A

Maxillary artery

84
Q

What are the branches of the maxillary artery

A

Inferior alveolar artery

Posterior Superior Alveolar artery

85
Q

Branch of the maxillary artery that supplies the mandible and its teeth as well as the muscles of mastication

A

Inferior Alveolar Artery

86
Q

What does the Inferior Alveolar Artery supply?

A

Mandible and its teeth

Muscles of mastication

87
Q

What does the Posterior Superior Alveolar artery supply

A

Maxillary molars

88
Q

What are the branches of the Infraorbital artery

A

MSA artery

ASA artery

89
Q

What does the Anterior Superior Alveolar artery supply?

A

Maxillary anterior teeth

90
Q

What does the Middle Superior Alveolar artery supply?

A

Maxillary premolars

91
Q

Where does the descending palatine artery go through?

A

Greater Palatine foramen

92
Q

What does the descending palatine artery supply?

A

Mucosa
Palate
Lingual gingiva

93
Q

This area of veins drains areas supplied by the maxillary artery.

A

Pterygoid plexus

94
Q

What does the Pterygoid plexus drain?

A

Maxillary and mandibular areas

95
Q

Where does the pterygoid plexus drain into?

A

Maxillary veins

96
Q

Where do the maxillary veins drain into?

A

Retromandibular veins

97
Q

Where do all of the cranial veins eventually drain into.

A

Internal jugular veins

98
Q

What two structures articulate with the disc in the TMJ?

A

Condyloid process of the mandible

Mandibular fossa of the temporal bone

99
Q

The ligament that limits the amount of movemet of the mandibleand attaches from the inferior surface of the neurocranium to the lingula of the mandible

A

Sphenomandibular liament

100
Q

Where on the temporal bone does the mandible function?

A

On the posterior inferior portion of the articular eminence

101
Q

What three muscles are involved in elevatin the mandible?

A

Masseter
Medial pteryoid
Temporalis

102
Q

In which direction do the fibers of the lateral pteryoid muscles travel from their origin to their insertion?

A

Lateral and posterior

103
Q

What would you palpate anterior and 1 to 2 inches superior to the ear?

A

Anterior fibers of the temporalis

104
Q

What muscle, when contractin, moves the mandible to the right?

A

Left lateral pterygoid

105
Q

The branches of which nerve causes the masseter muscle fibers to contract, squeezing the teeth together

A

CN V: mandibular division

106
Q

Which two nerves branch off the infraorbital nerve while it is in the infraorbital canal?

A

ASA and MSA

107
Q

Anesthetizing nerve fibers of what nerve resultsin numbness in half of the anterior two thirdsof the tongue

A

Lingual nerve branch of the trieminal nerve

108
Q

The nerve branch of the trieminal that provides pain sensation to the mandibular teeth exits the skull throuh what foramen?

A

Foramen ovale

109
Q

Which node would first show enlargement from an infection of a mandibular incisor

110
Q

At what location would you palpate the cervical lymph node chain?

A

Around the sternocleidomastoid muscle

111
Q

Branches of what artery supply blood to the mandibular teeth?

A

Maxillary artery

112
Q

Brances of what artery supply blood to the maxillary teeth?

A

Maxillary artery

113
Q

Which bone has the foramina for the branches of the trigeminal nere to exit the neurocranium?

114
Q

Suture line between the temporal and parietal bones

115
Q

Origin of the medial pteryoid muscle

A

Pterygoid fossa

116
Q

Which nerve provides sensory innervation to all tooth pulps?

A

Trieminal nerve

117
Q

Nerves that provide sensory innervation to the hard palate

A

Nasopalatine and anterior palatine

118
Q

What artery enters the mandilbe through the mandibular foramen

A

inferior alveolar artery

119
Q

What is the origin of the inferior head of the lateral pterygoid muscle?

A

The lateral surface of the lateral pterygoid plate.

Oral Anatomy (4 decks)

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