Foramina and What they transmit

Question 1

Cribriform Plate

Answer 1

CN1

Question 2

Foramen Cecum

Answer 2

Nasal Emissary V

Question 3

Anterior Ethmoidal Foramen

Answer 3

Anterior Ethmoidal avn

Question 4

Posterior Ethmoidal Foramen

Answer 4

Posterior Ethmoidal avn

Question 5

Optic Canal

Answer 5

CN II, ophthalmic a.

Question 6

Superior Orbital Fissure

Answer 6

CN III, IV, V1, VI, ophthalmic v

Question 7

Foramen Rotundum

Answer 7

V2

Question 8

Foramen Ovale

Answer 8

V3, accessory meningeal a.

Question 9

Foramen Spinosum

Answer 9

Middle Meningeal Artery, recurrent meningeal n.

Question 10

Hiatus for Greater Petrosal Nerve

Answer 10

Greater Petrosal n., petrosal branch of middle meningeal artery

Question 11

Hiatus for Lesser Petrosal N.

Answer 11

Lesser Petrosal N.

Question 12

Internal Acoustic Meatus

Answer 12

CN VII, VIII, labrynthine a.

Question 13

Jugular Foramen

Answer 13

CN IX, X, XI, internal jugular v., sigmoid sinus, inferior petrosal sinus, posterior meningeal branches of occipital and ascending pharyngeal aa.

Question 14

Mastoid Foramen

Answer 14

Mastoid Emissary V.

Question 15

Condyloid Canal

Answer 15

Condyloid Emissary v.

Question 16

Foramen Magnum

Answer 16

Spinal cord, spinal roots of CN XI, vertebral aa., ant. & post. spinal aa., dural vv

Question 17

Hypoglossal Canal

Answer 17

CN XII, post meningeal branch of ascending pharyngeal artery

Question 18

Petrotympanic Fissure

Answer 18

Chorda tympani of CN VII

Question 19

Stylomastoid Foramen

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

Auricular br. of CN X

Question 23

Foramen Lacerum

Answer 23

Meningeal br. of ascending pharyngeal a.

Question 24

Sphenomaxillary Fissure

Answer 24

3rd portion maxillary a.

Question 25

Pterygopalatine Fossa

Answer 25

3rd portion maxillary a., pterygopalatine ganglion

Question 26

Sphenopalatine Foramen

Answer 26

Sphenopalatine a, nasopalatine n., post. superior lateral nasal n.

Question 27

Pterygoid canal

Answer 27

N & A of the 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 avn

Question 32

Infraorbital notch

Answer 32

Infraorbital avn

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 avn

Question 36

Zygomaticotemporal Foramen

Answer 36

Zygomaticofacial avn

Question 37

Incisive Canal

Answer 37

Nasopalatine n., greater palatine a.

Question 38

Mandibular Foramen

Answer 38

Inferior alveolar avn

Question 39

Mental Foramen

Answer 39

Mental avn