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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
Q

where do the genioglossus muscles originate and what do the do

A

originate on mandible and protract tongue

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26
Q

what do the left and right styloglossus muscles do and where do they originate

A

originate on styloid processes of temporal bone. elevate and retract the tongue (pull the tongue back into mouth)

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27
Q

where do the hypoglossus muscles originate and what do they do

A

originate at the hyoid bone (depress and retract tongue)

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28
Q

where do the palatoglossus muscles originate and what do they do

A

originate on soft palate (elevate posterior portion of tongue)

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29
Q

what innervates the stylopharyngeus

A

CN IX (glossopharyngeal nerve) via branches of the pharyngeal plexus

30
Q

what innervates the tensor veil palatini

A

CN V3 (trigeminal nerve, mandibular division)

31
Q

what are the majority of the muscles of the pharynx innervated by

A

CN X

32
Q

what innervates the genioglossus, styloglossus, and hypoglossus

A

CN XII (hypoglossal nerve)

33
Q

what is the only muscle that moves the tongue that is not innervated by the hypoglossal nerve

A

palatoglossus (innervated by CN X)

34
Q

what is the anterior border of the pterygopalatine fossa

A

maxillary tuberosity

35
Q

what is the posterior border of the pterygopalatine fossa

A

pterygoid process of sphenoid (lateral plate)

36
Q

what is the medial border of the pterygopalatine fossa

A

perpendicular plate of palatine bone

37
Q

what is the lateral border of the pterygopalatine fossa

A

opens into infra temporal fossa via pterygomaxillary fissure

38
Q

what is the roof of the pterygopalatine fossa

A

(incomplete) greater wing of sphenoid

39
Q

what is the floor of the pterygopalatine fossa

A

pyramidal process of palatine bone

40
Q

what does the superior opening of the pterygopalatine fossa open into

A

inferior orbital fissure

41
Q

what does the inferior opening of the pterygopalatine fossa open into

A

closed except for palatine foramen (allows palatine to come in superiorly)

42
Q

what are the contents of the pterygopalatine fossa

A

maxillary nerve, pterygopalatine ganglion, 3rd part of maxillary artery

43
Q

what is the main nerve supplying to the pterygopalatine fossa

A

CN V2 (maxillary)

44
Q

what are the parasympathetic fibers to the pterygopalatine ganglion from

A

facial nerve via greater petrosal nerve

45
Q

what 2 nerves join together to form the nerve of the pterygoid canal

A

greater and deep petrosal nerves

46
Q

what does the deep petrosal nerve arise from

A

internal carotid plexus

47
Q

where are the presynaptic parasympathetic fibers from

A

superior cervical ganglion

48
Q

what arteries arise from the pterygoid part of the maxillary artery

A

messeteric, deep temporal, pterygoid branches, buccal artery

49
Q

what is the nasal mostly lined with

A

nasal mucosa

50
Q

what is the roof of the nasal cavity

A

frontal bone, ethmoid bone, sphenoid bone

51
Q

what is the floor of the nasal cavity

A

palatine process of maxilla, horizontal plate of palatine bone

52
Q

what is the medial wall of the nasal cavity

A

nasal septum

53
Q

what is the lateral wall of the nasal cavity

A

superior, middle, and inferior nasal conchae

54
Q

what is the opening of the sphenoid sinus

A

spheno-ethmoidal recess

55
Q

what is the opening of the ethmoidal sinuses

A

superior nasal meatus

56
Q

what is the opening of the frontal sinus

A

middle nasal meatus

57
Q

where does the maxillary sinus open into

A

middle nasal meatus in posterior part of semilunar hiatus at the maxillary ostium

58
Q

what is the opening of the nasolacrimal duct

A

inferior nasal meatus

59
Q

what is the area where all five arteries that supply the nasal cavity come together

A

Kiesselbach area

60
Q

what is the nerve supply to the nasal cavity

A

vial opthalmic division of trigeminal and maxillary division of trigeminal

61
Q

what is the nerve supply to the posterior 2/3 of the nasal cavity

A

V2 via nasopalatine nerve and greater palatine nerve

62
Q

what is the nerve supply to the anterior superior nasal mucosa of the septum and lateral wall

A

V1 via the anterior ethmoidal nerves

63
Q

what is the innervation of the maxillary sinus

A

superior alveolar nerve branches

64
Q

what is the innervation of the ethmoid sinus

A

nasociliar nerves

65
Q

what is the innervation of the sphenoid sinus

A

posterior ethmoidal nerve

66
Q

what is the innervation of the frontal sinus

A

supraorbital nerves

67
Q

what is the roof of the middle ear

A

tegmental wall

68
Q

what is the floor of the middle ear

A

jugular wall

69
Q

what is the lateral border of the middle ear

A

membraneous wall

70
Q

what is the medial border of the middle ear

A

labrynthine wall

71
Q

what is the anterior border of the middle ear

A

carotid wall

72
Q

what is the posterior border of the middle ear

A

mastoid wall

anatomy (Woods) (19 decks)

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