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anatomy (Woods) > Deep face (S2 E3) > Flashcards

Deep face (S2 E3) Flashcards

1
Q

what is the major vascular structure dealing with deep face

A

maxillary artery

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2
Q

define the temporal fossa

A

space found superior to zygomatic arch

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3
Q

what is the lateral boundary of the infra temporal fossa

A

ramus of mandible

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4
Q

what is the anterior border of the infra temporal fossa

A

maxilla

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5
Q

what is the medial border of the infra temporal fossa

A

lateral pterygoid plate

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6
Q

what is the roof of the infra temporal fossa

A

sphenoid

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7
Q

what is the posterior border of the infra temporal fossa

A

tympanic plate and mastoid and styloid processes

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8
Q

what is the inferior border of the infra temporal fossa

A

angle of mandible

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9
Q

what fossa are the lateral and medial pterygoid muscles located

A

infratemporal

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10
Q

what nervous structures are found in the infra temporal fossa

A

inferior alveolar, lingual, buccal, chorda tympani, otic ganglion

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11
Q

what does the nerve to the myohyoid come of off

A

inferior alveolar

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12
Q

what are the muscles of mastication innervated by

A

trigeminal nerve

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13
Q

what are the paired muscles of mastication

A

temporalis, masseter, lateral pterygoids, medial pterygoids

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14
Q

what nerve innervates the buccinator and the orbicularis oris

A

CN VII

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15
Q

what does the medial pterygoid muscle do

A

elevates and protracts the mandible

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16
Q

what opens the mandible

A

gravity, anterior digastric, lateral pterygoid (inferior part)

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17
Q

what is the action of the temporal is muscle

A

elevates and retracts mandible

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18
Q

what is the action of the masseter muscle

A

elevates and protracts mandible; primer mover of jaw closure

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19
Q

what is the action of the lateral pterygoid muscle

A

protracts mandible; produces side-to-side movement of mandible

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20
Q

what muscles elevate the temporomandibular joint

A

temporalis, masseter, medial pterygoids

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21
Q

what muscles depress the temporomandibular joint

A

lateral pterygoids, supra hyoid and infrahyoid muscles

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22
Q

what muscles are involved in protrusion of the temporomandibular joint

A

lateral pterygoids, masseter, medial pterygoids

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23
Q

what muscles are involved in retrusion of the temporomandibular joint

A

temporalis and masseter

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24
Q

what muscles are involved in the lateral movements of the temporomandibular joint

A

ipsilateral temporalis, contralateral pterygoids, masseter

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25
where do the genioglossus muscles originate and what do the do
originate on mandible and protract tongue
26
what do the left and right styloglossus muscles do and where do they originate
originate on styloid processes of temporal bone. elevate and retract the tongue (pull the tongue back into mouth)
27
where do the hypoglossus muscles originate and what do they do
originate at the hyoid bone (depress and retract tongue)
28
where do the palatoglossus muscles originate and what do they do
originate on soft palate (elevate posterior portion of tongue)
29
what innervates the stylopharyngeus
CN IX (glossopharyngeal nerve) via branches of the pharyngeal plexus
30
what innervates the tensor veil palatini
CN V3 (trigeminal nerve, mandibular division)
31
what are the majority of the muscles of the pharynx innervated by
CN X
32
what innervates the genioglossus, styloglossus, and hypoglossus
CN XII (hypoglossal nerve)
33
what is the only muscle that moves the tongue that is not innervated by the hypoglossal nerve
palatoglossus (innervated by CN X)
34
what is the anterior border of the pterygopalatine fossa
maxillary tuberosity
35
what is the posterior border of the pterygopalatine fossa
pterygoid process of sphenoid (lateral plate)
36
what is the medial border of the pterygopalatine fossa
perpendicular plate of palatine bone
37
what is the lateral border of the pterygopalatine fossa
opens into infra temporal fossa via pterygomaxillary fissure
38
what is the roof of the pterygopalatine fossa
(incomplete) greater wing of sphenoid
39
what is the floor of the pterygopalatine fossa
pyramidal process of palatine bone
40
what does the superior opening of the pterygopalatine fossa open into
inferior orbital fissure
41
what does the inferior opening of the pterygopalatine fossa open into
closed except for palatine foramen (allows palatine to come in superiorly)
42
what are the contents of the pterygopalatine fossa
maxillary nerve, pterygopalatine ganglion, 3rd part of maxillary artery
43
what is the main nerve supplying to the pterygopalatine fossa
CN V2 (maxillary)
44
what are the parasympathetic fibers to the pterygopalatine ganglion from
facial nerve via greater petrosal nerve
45
what 2 nerves join together to form the nerve of the pterygoid canal
greater and deep petrosal nerves
46
what does the deep petrosal nerve arise from
internal carotid plexus
47
where are the presynaptic parasympathetic fibers from
superior cervical ganglion
48
what arteries arise from the pterygoid part of the maxillary artery
messeteric, deep temporal, pterygoid branches, buccal artery
49
what is the nasal mostly lined with
nasal mucosa
50
what is the roof of the nasal cavity
frontal bone, ethmoid bone, sphenoid bone
51
what is the floor of the nasal cavity
palatine process of maxilla, horizontal plate of palatine bone
52
what is the medial wall of the nasal cavity
nasal septum
53
what is the lateral wall of the nasal cavity
superior, middle, and inferior nasal conchae
54
what is the opening of the sphenoid sinus
spheno-ethmoidal recess
55
what is the opening of the ethmoidal sinuses
superior nasal meatus
56
what is the opening of the frontal sinus
middle nasal meatus
57
where does the maxillary sinus open into
middle nasal meatus in posterior part of semilunar hiatus at the maxillary ostium
58
what is the opening of the nasolacrimal duct
inferior nasal meatus
59
what is the area where all five arteries that supply the nasal cavity come together
Kiesselbach area
60
what is the nerve supply to the nasal cavity
vial opthalmic division of trigeminal and maxillary division of trigeminal
61
what is the nerve supply to the posterior 2/3 of the nasal cavity
V2 via nasopalatine nerve and greater palatine nerve
62
what is the nerve supply to the anterior superior nasal mucosa of the septum and lateral wall
V1 via the anterior ethmoidal nerves
63
what is the innervation of the maxillary sinus
superior alveolar nerve branches
64
what is the innervation of the ethmoid sinus
nasociliar nerves
65
what is the innervation of the sphenoid sinus
posterior ethmoidal nerve
66
what is the innervation of the frontal sinus
supraorbital nerves
67
what is the roof of the middle ear
tegmental wall
68
what is the floor of the middle ear
jugular wall
69
what is the lateral border of the middle ear
membraneous wall
70
what is the medial border of the middle ear
labrynthine wall
71
what is the anterior border of the middle ear
carotid wall
72
what is the posterior border of the middle ear
mastoid wall

anatomy (Woods) (19 decks)

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