structures that travel through skull openings

Question 1

Anterior ethmoidal foramen

Answer 1

• Anterior ethmoidal n. a. and v.

Question 2

Carotid canal

Answer 2

• Internal carotid a. and plexus (postganglionic sympathetic and visceral afferent)

Question 3

Choana

Answer 3

• Air and mucus

Question 4

Condylar canal*

Answer 4

• Emissary vein from sigmoid sinus to vertebral v.

Question 5

Eustachian tube

Answer 5

• Air and mucus

Question 6

External acoustic meatus

Answer 6

• Sound waves
• air and earwax

Question 7

Foramen cecum*

Answer 7

Emissary vein from superior sagittal sinus to veins of external nose

Question 8

Foramen lacerum

Answer 8

Deep petrosal n. (postganglionic sympathetic and visceral afferent from internal carotid plexus)

Question 9

Foramen magnum

Answer 9

• Spinal cord and meninges
• anterior and posterior spinal a. and v.
• spinal accessory n.
• vertebral a. and v.

Question 10

Foramen ovale

Answer 10

• Mandibular division of trigeminal n. (V3)
• lesser petrosal n. (preganglionic parasympathetic and visceral afferent from glossopharyngeal)
• accessory meningeal a. and v.

Question 11

Foramen rotudum

Answer 11

Maxillary division of trigeminal n. (V2)

Question 12

Foramen spinosum

Answer 12

• Middle meningeal a. and v.
• meningeal branch of V3

Question 13

Greater palatine foramen

Answer 13

Greater palatine n. a. and v.

Question 14

Hypoglossal canal

Answer 14

Hypoglossal n.

Question 15

Incisive fossa (foramen)

Answer 15

• Nasopalatine n.
• anastomosis between sphenopalatine a. and v. and greater palantine a. and v.

Question 16

Inferior orbital fissure

Answer 16

• Maxillary division of trigeminal n. (V2) with postganglionic parasympathetic and visceral afferents from pterygopalantine ganglion

Question 17

Infraorbital foramen

Answer 17

Infraorbital n. a. and v.

Question 18

Internal acoustic meatus

Answer 18

• Facial n.
• vestibulocochlear n.
• labyrinthine a. (to internal ear from anterior inferior cerebellar a.)

Question 19

Jugular foramen

Answer 19

• Sigmoid sinus becoming internal jugular vein
• glossopharyngeal
• vagus
• spinal accessory n.

Question 20

Lacrimal fossa and nasolacrimal canal

Answer 20

Lacrimal sac to nasolacrimal duct

Question 21

Lesser palatine foramen

Answer 21

Lesser palatine n. a. and v.

Question 22

Mandibular foramen

Answer 22

Inferior alveolar n. a. and v.

Question 23

Mastoid foramen*

Answer 23

• Mastoid emissary v. from sigmoid sinus to posterior auricular v.
• posterior meningeal a. and v. (from occipital a. and v.)

Question 24

Mental foramen

Answer 24

Mental n. a. and v.

Question 25

Olfactory (cribriform) foramina

Answer 25

Olfactory neurons

Question 26

Optic canal

Answer 26

- Optic n. - ophthalmic artery

Question 27

Parietal emissary foramen\*

Answer 27

Parietal emissary veins from superior sagital sinus to veins of scalp

Question 28

Piriform aperture

Answer 28

- Air and mucus - cartilage of nasal septum

Question 29

Posterior ethmoidal foramen

Answer 29

Posterior ethmoidal n. a. and v.

Question 30

Stylomastoid foramen

Answer 30

Facial n.

Question 31

Superior orbital fissure

Answer 31

- Ophthalmic n. (V1) and v. - oculomotor - trochlear - abducent n - postganglionic sympathetic fibers from internal carotid plexus

Question 32

Supraorbital foramen

Answer 32

Supraorbital n. a. and v.

Question 33

Zygomaticofacial foramen

Answer 33

Zygomaticofacial n. a. and v.

Question 34

Zygomaticotemporal foramen

Answer 34

Zygomaticotemporal n. a. and v.

Question 35

- Anterior ethmoidal n. a. and v.

Answer 35

Anterior ethmoidal foramen

Question 36

- Internal carotid a. and plexus (postganglionic sympathetic and visceral afferent)

Answer 36

Carotid canal

Question 37

- Air and mucus

Answer 37

Choana

Question 38

- Emissary vein from sigmoid sinus to vertebral v.

Answer 38

Condylar canal\*

Question 39

- Air and mucus

Answer 39

Eustachian tube

Question 40

- Sound waves - air and earwax

Answer 40

External acoustic meatus

Question 41

Emissary vein from superior sagittal sinus to veins of external nose

Answer 41

Foramen cecum\*

Question 42

Deep petrosal n. (postganglionic sympathetic and visceral afferent from internal carotid plexus)

Answer 42

Foramen lacerum

Question 43

- Spinal cord and meninges - anterior and posterior spinal a. and v. - spinal accessory n. - vertebral a. and v.

Answer 43

Foramen magnum

Question 44

- Mandibular division of trigeminal n. (V3) - lesser petrosal n. (preganglionic parasympathetic and visceral afferent from glossopharyngeal) - accessory meningeal a. and v.

Answer 44

Foramen ovale

Question 45

Maxillary division of trigeminal n. (V2)

Answer 45

Foramen rotudum

Question 46

- Middle meningeal a. and v. - meningeal branch of V3

Answer 46

Foramen spinosum

Question 47

Greater palatine n. a. and v.

Answer 47

Greater palatine foramen

Question 48

Hypoglossal n.

Answer 48

Hypoglossal canal

Question 49

- Nasopalatine n. - anastomosis between sphenopalatine a. and v. and greater palantine a. and v.

Answer 49

Incisive fossa (foramen)

Question 50

- Maxillary division of trigeminal n. (V2) with postganglionic parasympathetic and visceral afferents from pterygopalantine ganglion

Answer 50

Inferior orbital fissure

Question 51

Infraorbital n. a. and v.

Answer 51

Infraorbital foramen

Question 52

- Facial n. - vestibulocochlear n. - labyrinthine a. (to internal ear from anterior inferior cerebellar a.)

Answer 52

Internal acoustic meatus

Question 53

- Sigmoid sinus becoming internal jugular vein - glossopharyngeal - vagus - spinal accessory n.

Answer 53

Jugular foramen

Question 54

Lacrimal sac to nasolacrimal duct

Answer 54

Lacrimal fossa and nasolacrimal canal

Question 55

Lesser palatine n. a. and v.

Answer 55

Lesser palatine foramen

Question 56

Inferior alveolar n. a. and v.

Answer 56

Mandibular foramen

Question 57

- Mastoid emissary v. from sigmoid sinus to posterior auricular v. - posterior meningeal a. and v. (from occipital a. and v.)

Answer 57

Mastoid foramen\*

Question 58

Mental n. a. and v.

Answer 58

Mental foramen

Question 59

Olfactory neurons

Answer 59

Olfactory (cribriform) foramina

Question 60

- Optic n. - ophthalmic artery

Answer 60

Optic canal

Question 61

Parietal emissary veins from superior sagital sinus to veins of scalp

Answer 61

Parietal emissary foramen\*

Question 62

- Air and mucus - cartilage of nasal septum

Answer 62

Piriform aperture

Question 63

Posterior ethmoidal n. a. and v.

Answer 63

Posterior ethmoidal foramen

Question 64

Facial n.

Answer 64

Stylomastoid foramen

Question 65

- Ophthalmic n. (V1) and v. - oculomotor - trochlear - abducent n - postganglionic sympathetic fibers from internal carotid plexus

Answer 65

Superior orbital fissure

Question 66

Supraorbital n. a. and v.

Answer 66

Supraorbital foramen

Question 67

Zygomaticofacial n. a. and v.

Answer 67

Zygomaticofacial foramen

Question 68

Zygomaticotemporal n. a. and v.

Answer 68

Zygomaticotemporal foramen