Skull Foramen/structure going through it Flashcards Preview

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Flashcards in Skull Foramen/structure going through it Deck (23):
1

Supraorbital foramen

Supraorbital nerve (Branch of Opthalmic Nerve V1)

2

Infraorbital foramen

Infraorbital nerve (Branch of maxillary nerve V2)

3

Foramen cecum

Emissary vein to superior sagittal sinus

4

Jugular foramen

(9,10,11)
Glossopharyngeal nerve (CN IX)
Vagus nerve (CN X)
Accessory nerve (CN XI)

5

Hypoglossal canal

Hypoglossal nerve

6

Foramen magnum

Accessory nerve, vertebral arteries, spinal cord/medulla

7

Internal auditory meatus

(7,8)
Facial nerve (CN VII)
Vestibulocochlear nerve (CN VIII)
Labyrinthine artery

8

Carotid canal

Internal carotid artery
Postganglionic sympathetic fibers

9

Stylomastoid foramen

Facial nerve (CN VII)

10

Foramen rotundum

Maxillary nerve (V2)

11

Foramen spinosum

Middle meningeal artery (you can trace the arterial tree out of this foramen)

12

Parietal foramen (some skulls don't have this)

Emissary vein

13

Foramen lacerum

Filled with cartilage during life

14

Foramen ovale

Mandibular nerve (V3)

15

Superior orbital fissure

Opthalmic nerve (V1) & (3,4,6)
Oculomotor nerve (CN III)
Trochlear nerve (CN IV)
Abducens nerve (CN VI)

16

Mental foramen

Mental nerve (branch of mandibular V3)

17

Optic canal (foramen)

Optic nerve
Opthalmic artery

18

Sphenopalatine foramen

Sphenopalatine artery

19

Incisive canal

Nasopalatine nerve
Sphenopalatine vessels

20

Lacrimal fossa

Lacrimal duct (tears drain into nose)

21

Greater palatine foramen

Greater palatine vessels and nerve

22

Lesser palatine foramen

Lesser palatine vessels and nerve

23

Mandibular foramen

Inferior alveolar vessels and nerve (V3)