Foramina of Skull Flashcards

1
Q

Cribiform plate transmits ___

A

CN 1

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2
Q

Foramen Cecum transmits __

A

emissary veins from nasal cavity to superior sagittal sinus

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3
Q

Anterior ethmoidal foramen transmits ___

A

anterior ethmoidal n., a., v.

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4
Q

Posterior ethmoidal foramen transmits ___

A

posterior ethmoidal n., a., v.

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5
Q

Sphenopalatine foramen transmits ___

A

sphenopalatine artery and vein
(posterior lateral nasal branches & posterior septal branches)

nasopalatine nerve (CN V2)

posterior lateral nasal nerves (CN V2)

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6
Q

Optic canal transmits ___

A

CN II (optic nerve)

opthalmic artery

sympathetic fibers from internal carotid prexus

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7
Q

Superior orbital fissure transmits ___

A

CN 3, 4, V1, 6

Superior opthaljic vein

Lacrimal Artery

Sympathetic fibers from internal carotid plexus

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8
Q

Inferior orbital fissure transmits ___

A
Infraorbiatl nerve (CN V2)
Zygomatic nerve (CN V2)
(branches: zygomaticofacial n, zygomaticotemporal n)

Infraorbital a/v
zygomaticofacial a/v
zygomaticotemporal a/v

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9
Q

Supraorbital foramen / notch transmits ___

A

supraorbital n/a/v

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10
Q

Infraorbital foramen transmits ___

A

infraobrital n/a/v

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11
Q

Zygomaticotemporal foramen transmits ___

A

zygomaticotemporal nerve (CN V2) emerges from here onto temple

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12
Q

Zygomaticofacial foramen Transits ___

A

zygonaticofacial nerve (CN V2) emerges here onto face

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13
Q

Alveolar canal transmits ___

A

posterior superior alveolar nerve (CN V2)

posterior superior alveolar artery/vein

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14
Q

Foramen Rotundum transmits __

A

CN V2

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15
Q

Foramen Ovale transmits __-

A

CN V3

Accessory meningeal artery

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16
Q

Internal acoustic (auditory) meatus transmits ___

A

CN 7, 8

Labrynthine (internal auditory) artery

17
Q

External acoustic (auditory) meatus transmits __

A

typmanic membrane (blocks entrance to middle ear)

18
Q

Groove for pharyngotympanic (auditory) tube transmits __

A

cartilaginous portion of auditory tube

19
Q

Stylomastoid foramen transmits __

20
Q

Petrotympanic fissure transmits __

A

chorda tympani nerve (CN 7)

anterior tympanic artery/vein

21
Q

Hiatus for greater petrosal nerve transmits __

A

greater petrosal nerve (from CN 7)

22
Q

Hiatus for lesser petrosal nerve transmits __

A

lesser petrosal nerve (CN 9)

23
Q

Jugular foramen transmits ___

A

CN 9, 10, 11

Internal jugular vein

24
Q

Hypoglossal canal transmits __

25
Carotid canal transmits __
Internal carotid artery | Sympathetic (carotid) plexus of nerves from internal carotid nerve
26
Foramen lacerum transmits __
largely filled with fibrocartilage plug Internal carotid artery runs above it to enter crania lvault
27
Pterygomaxillary fissure transmits __
Terminal branches of maxillary artery/veins
28
Pterygopalatine Fossa transmits __
Pterygopalatine ganglion CN V2 branches Branches of maxillary artery/veins
29
Pterygoid canal transmits __
Vidian nerve (nerve of pterygoid canal) Pterygoid a./v. of maxillary
30
Pharynegal canal transmits __
Pharyngeal nerve Pharyngeal branches of maxillary a/v
31
Palatine canal transmits __
greater palatine nerve lesser palatine nerve descending palating artery/vein -> greater/lesser a/v
32
greater palatine foramen transmits __
greater palatine nerve | greater palatine a/v
33
lesser palatine foramen transmits transmits __
lesser palatine nerve | lesser palatine a/v
34
Incisive foramen transmits __
nasopalatine nerve branches of sphenopalatine artery/vein branches of greater palatin artery/vein (anastomose with sphenopalatine artery/vein)
35
Foramen spinosum transmits __
middle meningeal arteyr meningeal branch of CN V3
36
Foramen magnum transmits __
Spinal cord/meninges Ascending rootlets of CN 11 Vertebral arteries Anterior/posterior spinal arteries
37
Condyloid canal transmits __
emissary veins from superficial veins of skull to sigmoid sinus
38
Mandibular foramen transmits __
inferior alveolar n/v/a
39
Mental foramen transmits __
mental nerve