Skull Openings Flashcards

1
Q

anterior ethmoidal foramen

A

anterior ethmoidal VAN

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2
Q

carotid canal

A

internal carotid artery and plexus

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3
Q

choana

A

air and mucus

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4
Q

condylar canal*

A

emissary vein from sigmoid sinus to vertebral vein

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5
Q

eustachian tube

A

air and mucus

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6
Q

external acoustic meatus

A

sound waves; earwax

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7
Q

foramen cecum*

A

emissary vein from superior sagittal sinus to veins of external nose

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8
Q

foramen lacerum

A

deep petrosal nere

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9
Q

foramen magnum

A

spinal cord and meninges; anterior and posterior spinal AV, spinal accessory n, vertebral AV

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10
Q

foramen ovale

A

mandibular division of trigeminal; lesser petrosal nerve; accessory meningeal AV

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11
Q

foramen rotundum

A

maxillary division of trigeminal

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12
Q

foramen spinosum

A

middle meningeal AV; meningeal branch of mandibular nerve

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13
Q

greater palantine foramen

A

greater palantine VAN

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14
Q

hypoglossal canal

A

hypoglossal n

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15
Q

incisive fossa

A

nasopalatine n; sphenopalatine AV; greater palatine AV

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16
Q

inferior orbital fissure

A

maxillary division of trigeminal

17
Q

infraorbital foramen

A

infraorbital VAN

18
Q

internal acoustic meatus

A

facial and vestibulocochlear n; labyrinthine A

19
Q

jugular foramen

A

sigmoid sinus becoming internal jugular vein; glossopharyngeal, vagus, and spinal accessory nerve

20
Q

lacrimal fossa and nasolacrimal canal

A

lacrimal sac to lacrimal duct

21
Q

lesser palantine foramen

A

lesser palantine VAN

22
Q

mandibular foramen

A

inferior alveolar VAN

23
Q

mastoid foramen*

A

mastoid emissary vein from sigmoid sinus to posterior auricular v; posterior meningeal AV

24
Q

mental foramen

A

mental VAN

25
Q

olfactory foramina

A

olfactory neurons

26
Q

optic canal

A

optic nerve and opthalmic artery

27
Q

parietal emissary foramen*

A

parietal emissary veins from superior sagittal sinus to veins of scalp

28
Q

piriform aperture

A

air and mucus; cartilage of nasal septum

29
Q

posterior ethmoidal foramen

A

posterior ethmoidal VAN

30
Q

stylomastoid foramen

A

facial nerve

31
Q

superior orbital fissure

A

opthalmic NV; oculomotor, trochlear, and abducens N; postganglionic sympathetic fibers from internal carotid plexus

32
Q

supraorbital foramen

A

supraorbital VAN

33
Q

zygomaticofacial foramen

A

zygomaticofacial VAN

34
Q

zygomaticotemporal foramen

A

zygotmaticotemporal VAN