Foramen Content

Question 1

Cribriform plate

Answer 1

CN I

Ethmoid

Question 2

Foramen cecum

Answer 2

Nasal emissary vein

Frontal

Question 3

Anterior ethmoidal foramen

Answer 3

Anterior ethmoidal artery, vein, and nerve

Frontolethmoidal suture

Question 4

Posterior ethmoidal foramen

Answer 4

Posterior ethmoidal artery, vein, and nerve

Frontolethmoidal suture

Question 5

Optic canal

Answer 5

CN II, ophthalmic aarty

Sphenoid - chiasmatic groove

Question 6

Superior orbital fissure

Answer 6

CNs III, IV, V1, VI, superior ophthalmic vein

Sphenoid

Question 7

Foramen rotundum

Answer 7

CN V2

Sphenoid

Question 8

Foramen ovale

Answer 8

CN V3, accessory meningeal artery

Sphenoid

Question 9

Foramen spinosum

Answer 9

Middle meningeal artery, recurrent meningeal nerve (V3)

Sphenoid

Question 10

Hiatus for greater petrosal n.

Answer 10

Greater petrosal nerve (CN VII,) petrosal br. of middle meningeal artery
(Temporal - petrous)

Question 11

Hiatus for lesser petrosal n.

Answer 11

Lesser petrosal nerve (CN IX)

Temporal - petrous, lateral to greater

Question 12

Internal acoustic meatus

Answer 12

CNs VII and VIII, internal labryrinthine artery (Temporal - petrous)

Question 13

Jugular foramen

Answer 13

CNs IX, X, and XI, sigmoid sinus, inf. petrosal sinus, internal jugular vein, posterior meningeal branches of occipital and ascending pharyngeal arteries
(Petrooccipital fissue)

Question 14

Mastoid foramen

Answer 14

Mastoid emissary vein

Temporal - mastoid

Question 15

Condyloid canal

Answer 15

Condyloid emissary vein

Occipital - lateral to foramen magnum

Question 16

Foramen magnum

Answer 16

Spinal cord, spinal roots of CN XI, vertebral arteries ant. and post. spinal arteries, dural veins
(Occipital)

Question 17

Hypoglossal canal

Answer 17

CN XII (GSE), post. meningeal branch of ascending pharyngeal artery
(Occipital)

Question 18

Petrotympanic fissure

Answer 18

Chorda tympani of CN VII

Temporal - med. mandibular fossa

Question 19

Stylomastoid foramen

Answer 19

CN VII (SVE)
(mastoid post. to styloid process)

Question 20

Carotid canal

Answer 20

Internal carotid artery, sympathetic plexus

Temporal

Question 21

Tympanic canaliculus

Answer 21

Tympanic br. of CN IX

Temporal - crest between jugular foramen and carotid canal

Question 22

Mastoid canaliculus

Answer 22

Auricular br. of CN X

Temporal - inside jugular foramen lateral

Question 23

Foramen lacerum

Answer 23

Meningeal br. of ascending pharyngeal artery

Sphenoid, temporal, occipital

Question 24

Sphenomaxillary fissure

Answer 24

3rd portion maxillary artery

Ant. infratemporal fossa

Question 25

Pterygopalatine fossa

Answer 25

3rd portion maxillary artery and pterygopalatine ganglion | Inside sphenomaxillary fissure

Question 26

Sphenopalatine foramen

Answer 26

Sphenopalatine artery, nasopalatine nerve, post. sup. lat. nasal nerve (Deep to pterygopalatine fossa - med. wall)

Question 27

Pterygoid canal

Answer 27

Nerve and artery of the pterygoid canal | Sphenoid - ant. wall of foramen lacerum

Question 28

Pharyngeal canal

Answer 28

Pharyngeal artery and nerve | Sphenovomer suture

Question 29

Greater palatine canal

Answer 29

Greater palatine artery and nerve | Palatine bone

Question 30

Lesser palatine canal

Answer 30

Lesser palatine artery and nerve | Palatine bone

Question 31

Supraorbital notch

Answer 31

Supraorbital artery, vein and nerve | Frontal

Question 32

Infraorbital foramen

Answer 32

Infraorbital artery, vein, and nerve | Maxilla

Question 33

Anterior ethmoidal foramen

Answer 33

Seen in both orbital foramen and anterior cranial fossa

Question 34

Posterior ethmoidal foramen

Answer 34

Seen in both orbital foramen and anterior cranial fossa

Question 35

Nasolacrimal canal

Answer 35

Nasolacrimal duct | Maxilla

Question 36

Superior orbital fissure

Answer 36

Seen in orbital foramen and anterior cranial fossa

Question 37

Inferior orbital fissure

Answer 37

Infraorbital artery and nerve, orbital nerves, zygomatic nerves, inferior ophthalmic vein (Upper extent of maxillary fissure)

Question 38

Zygomaticofacial foramen

Answer 38

Zygomaticofacial artery, vein, and nerve | Zygomatic

Question 39

Zygomaticotemporal foramen

Answer 39

Zygomaticotemporal artery, vein, and nerve | Zygomatic

Question 40

Incisive canal

Answer 40

Nasopalatine nerve, greater palatine artery | Maxilla

Question 41

Mandibular foramen

Answer 41

Inferior alveolar artery, vein, and nerve | Mandible

Question 42

Mental foramen

Answer 42

Mental artery, vein, and nerve | Mandible