cranium

Question 1

carotid canal

Answer 1

internal carotid a. and sympathetic plexus

Question 2

choana

Answer 2

air and mucus

Question 3

condylar canal

Answer 3

Emissary vein; meningeal branch of the occipital artery

Question 4

External acoustic meatus

Answer 4

sound waves and earwax

Question 5

Foramen lacerum

Answer 5

Deep petrosal n. and greater petrosal n.

Question 6

Foramen magnum

Answer 6

Medulla oblongata becoming spinal cord; meninges; anterior and posterior spinal aa. and vv.; spinal accessory n.; vertebral a. and v.

Question 7

Foramen ovale

Answer 7

Mandibular division of trigeminal n. (V3); lesser petrosal n.; accessory meningeal a. and v.

Question 8

Foramen rotudum

Answer 8

Maxillary division of trigeminal n. (V2)

Question 9

Foramen spinosum

Answer 9

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

Question 10

Greater palatine foramen

Answer 10

Greater palatine n., a. and v.

Question 11

Hypoglossal canal

Answer 11

Hypoglossal n.

Question 12

Incisive foramen

Answer 12

Nasopalatine a.; sphenopalatine a. and v.

Question 13

Internal acoustic meatus

Answer 13

Facial and vestibulocochlear n.; labyrinthine a.

Question 14

Jugular foramen

Answer 14

Sigmoid sinus becoming internal jugular vein; glossopharyngeal, vagus and spinal accessory n.

Question 15

Lacrimal fossa

Answer 15

Lacrimal sac to nasolacrimal duct

Question 16

Lesser palatine foramen

Answer 16

Lesser palatine n., a. and v.

Question 17

Mandibular foramen

Answer 17

Inferior alveolar n., a. and v.

Question 18

Mastoid foramen*

Answer 18

Mastoid emissary v.; posterior meningeal a. and v.

Question 19

Mental foramen

Answer 19

Mental n., a. and v.

Question 20

Olfactory (cribriform) foramina

Answer 20

Olfactory neurons

Question 21

Optic canal

Answer 21

Optic n. and ophthalmic artery

Question 22

Parietal emissary foramen*

Answer 22

Parietal emissary veins

Question 23

Petrotympanic fissure

Answer 23

Anterior tympanic a. and v.; chorda tympani n.

Question 24

Piriform apeture

Answer 24

Air and mucus; cartilage of nasal septum

Question 25

Stylomastoid foramen

Answer 25

Facial n.

Question 26

Superior orbital fissure

Answer 26

Ophthalmic n. (V1) and v.; oculomotor, trochlear and abducent n.; superior ophthalmic v. and inferior ophthalmic v.

Question 27

Supraorbital foramen

Answer 27

Supraorbital n., a. and v.

Question 28

Zygomaticofacial foramen

Answer 28

Zygomaticofacial n., a. and v.

Question 29

Zygomaticotemporal foramen

Answer 29

Zygomaticotemporal n., a. and v.

Question 30

Inferior orbital fissure

Answer 30

Maxillary division of trigeminal n. (V2); inferior ophthalmic v.