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Anatomy and Radiology Test 3 > Infratemporal Fossa/Pterygopalatine Fossa > Flashcards

Infratemporal Fossa/Pterygopalatine Fossa Flashcards

1
Q

IT fossa lateral

A

Ramus of middle and zygomatic arch

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2
Q

IT fossa medial

A

Lateral pterygoid plate

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3
Q

IT fossa anterior

A

Posterior part of maxilla

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4
Q

IT fossa posterior

A

TMJ joint

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5
Q

IT fossa superior

A

Great wing of sphenoid

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6
Q

Contents of IT fossa

A 
Pterygoids 
Maxillary artery
Pterygoid plexus of veins 
Mandibular division of of trigeminal
Otic ganglion
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7
Q

Temporalis action

A

Elevate

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8
Q

Masseter action

A

Elevate mandible

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9
Q

Medial pterygoid action

A

Elevate mandible

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10
Q

Lateral pterygoid action

A

Protract and depress chin

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11
Q

TMJ joint

A

Articulates at condylar process of mandible

Contains articular disc to create 2 cavitiies

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12
Q

Movements of TMJ

A

Anterior glidiing between articular disc and mandibular fossa at superior
Rotation between mandibular codyle and articular disc at inferior cavity

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13
Q

Anterior branches of external carotid

A

Superior thyroid
Lingual
Facial

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14
Q

Medial branches of external carotid

A

Ascending pharyngeal

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15
Q

Posterior branches of external cartoid

A

Occipital and posterior auricular

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16
Q

Terminal branches of external carotid

A

Maxillary and superficial temporal artery

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17
Q

3 portions of maxillary artery

A

Deep to ramus of mandible
Anterior to ramus
Enterance of pterygopalatine fossa and continue into fossa

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18
Q

Middle mengingeal artery runs where and supplies

A

Between auriculotemporal to enter foramen spinosum to supply meninges

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19
Q

Inferior alveolar artery runs and supplies

A

Through mandibular foramen to supply the teeth of the mandible

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20
Q

Posterior superior alveolar artery runs and supplies

A

Enters pterygomaxillary fissue

POsterior teeth

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21
Q

Infraorbital artery runs and supplies

A

Through infraorbital fissure and along infraorbital groove…terminates on maxilla at infraorbital foramen

Supplies anterior teeth with anterior superior alveolar artery

22
Q

Descending paaltine artery runs and supplies

A

Into palatine canal to supply hard and soft palates

23
Q

Sphenopalatine artery runs and supplies

A

Through sphenopalatine foramen to supply lateral nasal cavity and nasal septum

24
Q

How pterygoid plexus of veins connects

A

As maxillary vein to retromandibular to IJV

25
Q

Pterygoid plexus of veins connects to

A

Deep facial vein and cavernous sinus

26
Q

Inferior alveolar nerve path and supply

A

Through mandibular foramen
Sensory to mandibular teeth
Terminates as mental nerve

27
Q

Auriculotemporal nerve path and supply

A

Two roots surrounding middle meningeal artery

Sensory to skin anterior to the ear

28
Q

Lingual nerve supply

A

Sensory to tongue

29
Q

Buccal nerve supply

A

Sensory to inside of cheek

30
Q

Nerves to muscles of mastication

A

Independent branches of mandibular that run to respective muscles

31
Q

Sublingual and submandibular glands from

A

CN 7
Preganglionic parasymp neurons from superior salivary nucleus
Post ganglionic parasympathetic from submandibular gangliojn

32
Q

Parotid gland innervation

A

CN 9
Pre-para from inferior salivary nucleus
Post-para from otic ganglion

33
Q

Lateral opening of pterygopalatine fossa

A

Pterygomaxillary fissure to infratemp fossa

34
Q

Posterior opening of PP fossa

A

Foramen rotundum and pterygoid canal to cranial cavity

35
Q

Medial opening PP fossa

A

Sphenopalatine foramen to nasal cavity

36
Q

Anterior opening of PP fossa

A

Infraorbital fissure through infraorbital foramen

37
Q

Inferior opening of PP fossa

A

Palatine canal

38
Q

Maxiallry nerve nerve enters PP fossa throguh

A

Foramen rotundum

39
Q

Branches of maxillary nerve in PP fossa

A

Infraorbital
Zygomatic
Posterior superior alveolar

40
Q

Zygomatic nerve supply

A

Sensory to lateral side of the face

41
Q

Infraorbital nerve supply and path

A

Anterior superior maxillary teeth from anterior superior alveolar nerve
Leaves through inferior orbital fissure

42
Q

Posteior superior alveolar nerve supply

A

Sensory to posterior maxillary teeth

43
Q

Sphenopalatine nerves path and supply

A

Travel through sphenopalatine foramen to enter nasal cavity…sensory to nasal cavity

44
Q

Descing palatine nerves leave through and suply

A

Palatine canal

Sensory to hard and soft palate

45
Q

Innervation of lacrimal gland and nasal/oral glands

A

CN 7
Para-pre is from superior salivary nucleus
Post sym from pterygopalatine ganglion

46
Q

Trigeminal neuralgia cause

A

Compressions of V2/V3 of trigeminal

47
Q

Mandibular portion of maxillary artery

A

middle meningeal and inferior alveolar artery

48
Q

Pterygoid portion of maxillary artery

A

Muscular branches

49
Q

Pterygoplatine portion of maxillary artery

A

Posterior superior alveolar
Infraorbital
Greater/lesser palatine
Sphenopalatine

50
Q

Mandibular nerve branches in IT fossa

51
Q

Maxillary nerves in PP fossa

Anatomy and Radiology Test 3 (11 decks)

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