Location of Skull Openings Flashcards

1
Q

optic canal

A

presphenoid bone

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2
Q

orbital fissure

A

rostral: presphenoid; caudal: basisphenoid

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3
Q

alar canal

A

basisphenoid bone

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4
Q

ethmoidal foramina

A

frontal bone approximately 1 cm rostral to the optic canal

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5
Q

caudal palatine foramen

A

rostromedial wall of pterygopalatine fossa

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6
Q

sphenopalatine foramen

A

rostromedial wall of pterygopalatine fossa

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7
Q

maxillary foramen

A

rostromedial wall of pterygopalatine fossa

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8
Q

lacrimal canal (fossa for the lacrimal sac)

A

lacrimal bone

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9
Q

infraorbital foramen

A

dorsal to 3rd PM tooth on maxilla

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10
Q

round foramen

A

within alar canal

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11
Q

oval foramen

A

caudolateral to caudal alar foramen

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12
Q

carotid foramen

A

rostromedial edge of tympanic bulla

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13
Q

musculotubal canal

A

lateral to carotid foramen, caudal to oval foramen

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14
Q

tympano-occipital fissure

A

between basilar part of the occiptal bone and tympanic part of the temporal bone

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15
Q

hypoglossal canal

A

caudomedial to tympano-occipital fissure in occipital bone

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16
Q

retroarticular foramen

A

caudal to retroarticular process at mandibular fossa

17
Q

stylomastoid foramen

A

between tympanic bulla and mastoid process of temporal bone

18
Q

major palatine foramen

A

medial to 4th cheek tooth

19
Q

minor palatine foramen

A

caudal to major palatine foramen

20
Q

mastoid foramen

A

in occipitotemporal suture dorsolateral to occipital condyle

21
Q

mandibular foramen

A

medial ramus of mandible

22
Q

mandibular canal

A

ramus and body of mandible

23
Q

mental foramina

A

rostral mandible

24
Q

canal for trigeminal N

A

rostral end of petrosal part of temporal bone

25
Q

jugular foramen

A

between petrosal part of temporal and occipital bones

26
Q

foramen for the dorsal sagittal sinus

A

rostral surface of the occipital bone