Major Foramina, Fissures, and Canals of Skull Flashcards

1
Q

Mental Foramina

A

Branches of the inferior alveolar a, v, n

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2
Q

Mandibular Foramen

A

Branches of the inferior alveolar a, v, n

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3
Q

Mandibular Canal

A

Inferior alveolar a, v, and n

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4
Q

Palatine Fissure

A

Anastomoses between the palatine and the
infraorbital and nasal aa and vv

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5
Q

Major Palatine Foramen

A

Major palatine a, v, n

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6
Q

Minor Palatine Foramen

A

Branches of major palatine artery

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7
Q

Caudal Palatine Foramen

A

Major palatine a, v, n

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8
Q

Sphenopalatine Foramen

A

Sphenopalatine a, v and Caudal nasal n

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9
Q

Infraorbital Foramen

A

Infraorbital a, v, n

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10
Q

Maxillary Foramen

A

Maxillary a, v, n

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11
Q

Infraorbital Canal

A

Maxillary/Infraorbital a, v, n

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12
Q

Optic Canal

A

Optic n and External Ophthalmic a, v

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13
Q

Orbital Fissure

A

Oculomotor n (CN III)
Trochlear n (CN IV)
Ophthalmic n
Abducens n (CN VI)

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14
Q

Rostral Alar Foramen

A

Maxillary a, v, n

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15
Q

Caudal Alar Foramen

A

Maxillary a, v

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16
Q

Alar Canal

A

Maxillary a, v and Maxillary n en route to rostral alar foramen

17
Q

Round Foramen

A

Maxillary n en route to alar canal

18
Q

Oval foramen

A

Mandibular n and Emissary vein from cranial cavity

19
Q

Musculotubal Canal

A

Auditory tube

20
Q

Foramen Lacerum

A

Loop of the internal carotid artery

21
Q

Stylomastoid Foramen

A

Facial nerve

22
Q

Tympanoccipital Fissure

A

Glossopharyngeal nerve, Vagus nerve, Spinal Acc. nerve and Sympathetic nerves and small veins

23
Q

Retroarticular Foramen

A

Temporomandibular articular vein

24
Q

Hypoglossal Canal

A

Hypoglossal nerve

25
Q

Foramen Magnum

A

Spinal Cord, Basilar artery, Venous plexus, Spinal part of Spinal Acc. nerve

26
Q

Round Foramen (Internally)

A

Maxillary nerve, and Emissary vein from the cavernous sinus

27
Q

Carotid Canal (Internally)

A

Internal carotid artery

28
Q

Internal Acoustic Meatus

A

Facial nerve and Vestibulocochlear nerve

29
Q

Jugular Foramen

A

Glossopharyngeal, Vagus, Spinal Acc. Nerve and Sigmoid sinus