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neck and skull > connections of the skull > Flashcards

connections of the skull Flashcards

1
Q

cribriform plate

A

anterior cranial fossa –> common nasal meatus

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2
Q

piriform aperture

A

face –> common nasal meatus

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3
Q

incisive canal

A

oral cavity –> common nasal meatus

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4
Q

sphenopalatine foramen

A

pterygopalatine fossa –> common nasal meatus

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5
Q

choana

A

nasopharynx –> common nasal meatus

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6
Q

aperture of sphenoid sinus

A

sphenoid sinus - common nasal meatus

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7
Q

what opens in the superior nasal meatus ?

A

posterior ethmoidal air cells

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8
Q

what opens in the middle nasal meatus?

A

anterior + middle ethmoidal air cells

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9
Q

where is the semilunar hiatus?

A

between ethmoid bulla –> uncinate process

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10
Q

what is connected by the ethmoidal infundibulum?

A

frontal sinus –> middle nasal meatus

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11
Q

aperture of maxillary sinus

A

maxillary sinus –> middle nasal meatus

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12
Q

nasolacrimal canal

A

orbit –> inferior nasal meatus

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13
Q

greater palatine canal

A

pterygopalatine fossa–>oral cavity

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14
Q

lesser palatine canal

A

pterygopalatine fossa–> oral cavity

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15
Q

mandibular canal (from mandibular foramen)

A

mental foramen –> oral cavity

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16
Q

musculotubarian canal

A

external base of skull –> tympanic cavity

**(semicanal for tensor tympani muscle + semicanal for auditory tube)

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17
Q

caroticotympani canaliculi

A

carotid canal –> tympanic cavity

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18
Q

canaliculus of chorda tympani

A

facial canal ( descending part ) –> tympanic cavity

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19
Q

stapedius canaliculi

A

facial canal ( descending part ) –> tympanic cavity

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20
Q

tympanic canaliculus

A

fossula petrosa –> tympanic cavity

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21
Q

cannal of lesser petrosal nerve

A

middle cranial fossa –> tympanic cavity

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22
Q

mastoid antrum

A

mastoid air cells –> tympanic cavity

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23
Q

fenestra vestibuli

A

inner ear –> tympanic cavity

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24
Q

fenestra cochleae

A

cochlea (inner ear) –> tympanic cavity

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25
Q

aditus orbitae

A

face –> orbit

26
Q

optic canal

A

middle cranial fossa–> orbit

27
Q

superior orbital fissure

A

middle cranial fossa –> orbit

28
Q

inferior orbital fissure (postero-medial part)

A

pterygopalatine fossa –> orbit

29
Q

inferior orbital fissure (antero-lateral part)

A

infratemporal fossa –> orbit

30
Q

anterior ethmoidal canal

A

anterior cranial fossa (above cribriform plate) –> orbit

31
Q

posterior ethmoidal canal

A

orbit –> posterior ethmoidal air cells + sphenoid sinus

32
Q

infra-orbital canal

A

face, canine fossa –> orbit

33
Q

frontal notch

A

supraorbital region (forehead) –> orbit

34
Q

supraorbital foramen

A

supraorbital region –> orbit

35
Q

zygomatic canal (zygomaticoorbital foramen)

A

orbit –> zygomaticofacial foramen (face)

orbit–> zygomaticotemporal foramen (temporal fossa)

36
Q

foramen rotundum

A

pterygopalatine fossa–> middle cranial fossa

37
Q

foramen ovale

A

external base of skull–> middle cranial fossa

38
Q

foramen spinosum

A

external base of skull–> middle cranial fossa

39
Q

foramen lacerum (filled with cartilage)

A

external base of skull–> middle cranial fossa

40
Q

carotid canal

A

external base of skull–> middle cranial fossa

41
Q

hiatus for the canal of the greater petrosal nerve

A

facial canal –> middle cranial fossa

42
Q

hiatus for the canal of the lesser petrosal nerve

A

tympanic cavity –> middle cranial fossa

43
Q

petro-squamous fissure

A

external base of skull ( infratemporal fossa ) –> middle cranial fossa

44
Q

spheno-petrous fissure

A

external base of skull–> middle cranial fossa

45
Q

foramen magnum

A

vertebral canal –> posterior cranial fossa

46
Q

internal acoustic meatus (starts with internal acoustic pore)

A

fundus of internal acoustic meatus –>posterior cranial fossa

47
Q

jugular foramen

A

external base of skull –>posterior cranial fossa

pars nervosa +pars venosa

48
Q

hypoglossal canal

A

external base of skull –>posterior cranial fossa

49
Q

condylar canal

A

external base of skull (condylar fossa) –>posterior cranial fossa (to sigmoid sinus)

50
Q

aquaductus of vestibulae

A

inner ear –> posterior cranial fossa

51
Q

mastoid foramen

A

outer aspect of skull –> posterior cranial fossa

52
Q

petrooccipital fissure

A

external base of skull –>posterior cranial fossa

53
Q

stylo-mastoid foramen

A

facial canal–> external base of skull

54
Q

pterygoid canal

A

pterygopalatine fossa –> external base of skull

55
Q

cochlear canaliculi

A

inner ear –> external base of skull

from medial wall of petrosal fossula

56
Q

tympanic canaliculi

A

tympanic cavity –> external base of skull

from lateral wall of petrosal fossula

57
Q

mastoid canaliculi

A

tympanomastoid fissure –> external base of skull

starts from lateral wall of jugular fossa

58
Q

pterygomaxillary fissure

A

pterygopalatine fossa –> infratemporal fossa

59
Q

petrotympanic fissure

A

tympanic cavity –> infratemporal fossa

60
Q

alveolar foramina

A

upper teeth –> infratemporal fossa

neck and skull (2 decks)

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