Foramen & Fissures Flashcards

Know what structures pass through each

1
Q

Optic canal

A

Optic nerve (II)

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2
Q

Orbital fissue

A

Oculomotor (III), Trochlear (IV), Abducens (VI), and Ophthalmic (V1) nn.

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3
Q

Rostral alar canal

A

Maxillary artery and nerve (V2)

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4
Q

Caudal palatine foramen

A

Major palatine artery, vein and nerve

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5
Q

Sphenopalatine foramen

A

Sphenopalatine artery, vein and Caudal nasal nerve

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6
Q

Maxillary foramen

A

Infraorbital artery, nerve and Superalveolar artery, nerve

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7
Q

Infraorbital foramen

A

Infraorbital artery and nerve

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8
Q

Caudal alar foramen

A

Maxillary artery

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9
Q

Round foramen

A

Maxillary nerve (V2)

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10
Q

Oval foramen

A

Mandibular nerve (V3)

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11
Q

Foramen lacerum

A

Internal carotid loop

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12
Q

Musculotubal canal

A

Auditory tube

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13
Q

Tympano-occipital fissure

A

Glossopharyngeal (IX), Vagus (X), Accessory (XI) nerves, internal carotid artery, vertebral vein and internal jugular vein

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14
Q

Hypoglossal canal

A

Hypoglossal nerve (XII)

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15
Q

Stylamastoid foramen

A

Facial nerve (VII)

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16
Q

Major palatine foramen

A

Major palatine artery, vein and nerve

17
Q

Minor palatine foramen

A

Major palatine artery, vein and nerve

Note the minor palatine artery, vein and nerve pass caudal to the hard palate

18
Q

Foramen magnum

A

Spinal cord, vertebral arteries, spinal part of XI

19
Q

Mastoid foramen

A

Caudal meningeal artery and vein

20
Q

Mandibular foramen

A

Inferior alveolar artery, vein and nerve

21
Q

Mental foramen

A

Mental artery, vein and nerve

22
Q

Internal acoustic meatus

A

Facial (VII), Vestibulocochlear (VIII) nerves

23
Q

Jugular foramen

A

Glossopharyngeal (IX), Vagus (X), Accessory (XI) nerves, and Sigmoid sinus

24
Q

Condyloid canal

A

Condylar venous sinus

25
Q

Dorsal sagittal

A

Dorsal sagittal sinus

26
Q

Transverse canals

A

Transverse sinus

27
Q

Palatine fissure

A

Incisive ducts

28
Q

Retroarticular foramen

A

Temporal sinus, Maxillary vein