Foramina

Question 1

Cribiform Plate

Answer 1

CN I

Question 2

Foramen Cecum

Answer 2

Nasal Emissary Vein

Question 3

Anterior Ethmoidal Foramen

Answer 3

Anterior ethmoidal a.v.n.

Question 4

Posterior Ethmoidal Foramen

Answer 4

Posterior ethmoidal a.v.n.

Question 5

Optic Canal

Answer 5

CN II

Ophthalmic a.

Question 6

Superior Orbital Fissure

Answer 6

CNs III, IV, V1, VI

Superior Ophthalmic v.

Question 7

Foramen Rotundum

Answer 7

CN V2

Question 8

Foramen Ovale

Answer 8

CN V3

Accessory Meningeal a.

Question 9

Foramen Spinosum

Answer 9

Middle meningeal a.

Recurrent meningeal n. (V3)

Question 10

Hiatus for Greater Petrosal n.

Answer 10

Greater petrosal n. (CN VII)

Petrosal br. of middle meningeal a.

Question 11

Hiatus for Lesser Petrosal n.

Answer 11

Lesser petrosal n. (CN IX)

Question 12

Internal Acoustic Meatus

Answer 12

CN VII, VIII

Internal labryrinthine a.

Question 13

Jugular Foramen

Answer 13

CN IX, X, XI
Sigmoid sinus, inf. petrosal sinus
Int jugular v.
Posterior meningeal brs. of occipital and ascending pharyngeal aa.

Question 14

Mastoid foramen

Answer 14

Mastoid emissary vv.

Question 15

Condylar canal

Answer 15

Condyloid emissary vv.

Question 16

Foramen magnum

Answer 16

Spinal Cord and spinal roots of CN XI
Vertebral aa., ant. and post. spinal aa.
Dural vv.

Question 17

Hypoglossal canal

Answer 17

CNXII (GSE)

Post. meningeal br. of ascending pharyngeal a.

Question 18

Petrotympanic fissure

Answer 18

Chorda tympani of CN VII

Question 19

Stylomastoid formane

Answer 19

SVE of CN VII

Question 20

Carotid Canal

Answer 20

Internal Carotid a.

Sympathetic Plexus

Question 21

Tympanic Canaliculus

Answer 21

Tympanic br. of CN IX

Question 22

Mastoid Canaliculus

Answer 22

Mastoid br. of X

Question 23

Foramen Lacerum

Answer 23

Meningeal br. of ascending pharyngeal

Question 24

Sphenomaxillary fissure

Answer 24

3rd portion of maxillary a.

Question 25

Pterygopalatine fossa

Answer 25

3rd portion of maxillary a. | Pterygopalatine ganglion

Question 26

Sphenopalatine foramen

Answer 26

Sphenopalatine a. Nasopalatine n. Post. Sup. Lat. Nasal n.

Question 27

Pterygoid canal

Answer 27

N. and A. of pterygoid canal

Question 28

Pharyngeal canal

Answer 28

Pharyngeal a. & n.

Question 29

Greater palatine canal

Answer 29

Greater palatine a. & n.

Question 30

Lesser palatine canal

Answer 30

Lesser palatine a. & n.

Question 31

Supraorbital notch

Answer 31

Supraorbital a.v.n.

Question 32

Infraorbital notch

Answer 32

Infraorbital a.v.n.

Question 33

Nasolacrimal canal

Answer 33

Nasolacrimal duct

Question 34

Inferior orbital fissure

Answer 34

Infraorbital a. & n. Orbital & zygomatic nn. Inferior ophthalmic v.

Question 35

Zygomaticofacial foramen

Answer 35

Zygomaticofacial a.v.n

Question 36

Zygomaticotemporal foramen

Answer 36

Zygomaticotemporal a.v.n.

Question 37

Incisive canal

Answer 37

Greater palatine a. | Nasopalatine n.

Question 38

Mandibular foramen

Answer 38

Inferior alveolar a.v.n.

Question 39

Mental foramen

Answer 39

Mental a.v.n.