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Skull Foramina > Skull Foramina > Flashcards

Skull Foramina Flashcards

1
Q

Cribriform Plate

A

Bone: ethomoid
Transmits: CN I

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2
Q

Froamen Cecum

A

Bone: frontal

Nasal emissary vein

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3
Q

Anterior Ethmoidal foramen

A

Frontoethmoidal suture

Anterior ethmoidal a,v,n

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4
Q

Posterior Ethmoidal foramen

A

Frontoethmoidal suture

Posterior ethmoidal a,v,n

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5
Q

Optic canal

A

Sphenoid (chiasmatic groove)
CN II
Opthalamic artery

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6
Q

Superior orbital fissure

A 
Sphenoid
CN III
CN IV
CN V1
VN VI
Superior opthalamic vein
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7
Q

Foramen rotundum

A

Sphenoid

CN V2

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8
Q

Foramen Ovale

A

Sphenoid
CN V3
Accessory meningeal artery

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9
Q

Foramen Spinosum

A

Sphenoid
Middle meningeal artery
recurrent meningeal nerve V3

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10
Q

Hiatus for Greater Petrosal nerve

A

Temporal (petrous)
Greater petrosal nerve CN VII
Petrosal branch of middle meningeal artery

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11
Q

Hiatus for Lesser Petrosal Nerve

A

Temporal (petrous, lateral to hiatus for greater petrosal nerve)
Lesser petrosal nerve CN IX

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12
Q

Internal Acoustic Meatus

A

Temporal (petrous)
CN VII
CN VIII
Internal labryinthine artery

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13
Q

Jugular Foramen

A 
Petrooccipital fissure
CN IX
CN X
CN XI
Sigmoid sinus 
Inferior petrosal sinus
Internal jugular vein
Posterior Meningeal branch of occipital and ascending pharyngeal arteries
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14
Q

Mastoid Foramen

A

Temporal (mastoid)

Mastoid emissary vein

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15
Q

Condyloid Canal

A

Occipital (lateral to foramen magnum)

Condyloid emissary vein

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16
Q

Foramen Magnum

A 
Occipital
Spinal cord
spinal roots of CN XI
Vertebral arteries
Anterior and posterior spinal arteries
Anterior and posterior meningeal branches (vert a)
Dural vv
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17
Q

Hypoglossal Canal

A

Occipital
CN XII (GSE)
Posterior meningeal branch of ascending pharyngeal artery

18
Q

Petrotympanic fissure

A

Temporal (medial to mandibular fossa)

Chorda tympani of CN VII

19
Q

Stylomastoid foramen

A

Temporal (Mastoid posterior to styloid process)

SVE of CN VII

20
Q

Carotid Canal

A

Temporal
Internal carotid artery
Sympathetic plexus

21
Q

Tympanic Canaliculus

A

Temporal (crest between jugular foramen and carotid canal)

Tympanic branch of CN IX

22
Q

Mastoid Canaliculus

A

Temporal (inside jugular foramen laterally)

Auricular branch of CN X

23
Q

Foramen lacerum

A

Sphenoid, temporal, occipital

Meningeal branch of ascending pharyngeal artery

24
Q

Sphenomaxillary fissure

A

Anterior infratemporal fossa
3rd portion of maxillary artery
Posterior superior alveolar nerve

25
Q

Pterygopalatine Fossa

A

Inside sphenomayxillary fissure
3rd portion of maxillary artery
Pterygopalatine ganglion

26
Q

Sphenopalatine foramen

A

Deep to pterygopalatine fossa (medial wall)
sphenopalatine artery
nasopalatine nerve
posterior superior lateral nasal nerve

27
Q

Pterygoid Canal

A

Sphenoid (anterior wall of foramen lacerum)

N and A of pterygoid canal

28
Q

Pharyngeal Canal

A

Sphenovomer suture

Pharyngeal artery and nerve

29
Q

Greater Palatine canal

A

Palatine bone

Greater palatine artery and nerve

30
Q

Lesser palatine canal

A

Palatine bone

Lesser palatine artery and nerve

31
Q

Supraorbital notch

A

Frontal

Supraorbital artery, vein, nerve

32
Q

Infraorbital foramen

A

Maxilla

Infraorbital artery, vein, nerve

33
Q

Anterior ethmoidal foramen

A

Frontal ethmoidal suture

Anterior ethmoidal artery, vein, nerve

34
Q

Posterior ethmoidal foramen

A

Frontal ethmoidal suture

Posterior ethmoidal artery, vein, nerve

35
Q

Nasolacrimal canal

A

Maxilla

Nasolacrimal duct

36
Q

Superior orbital fissure

A 
Sphenoid
CN III
CN IV
CN V1
CN VI
Superior ophthalmic vein
37
Q

Inferior orbital fissure

A

Upper extent of sphenoid maxillary fissure
Infraorbital artery and nerve
Orbital and zygomatic nerves
Inferior ophthalmic vein

38
Q

Zygomaticofacial foramen

A

Zygomatic

Zygomaticofacial artery, vein, nerve

39
Q

Zygomaticotemporal foramen

A

zygomatic

Zygomaticofacial artery, vein, nerve

40
Q

Incisive canal

A

Maxilla
Nasopalatine nerve
Greater palatine artery

41
Q

Mandibular foramen

A

Mandible

inferior alveolar artery, vein, nerve

42
Q

Mental foramen

A

Mandible

Mental artery, vein, nerve

Skull Foramina (1 decks)

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