Neuro Practical: Foramen Structures

Question 0

What goes in the pterygoid canal? What is another name for tis canal (and it’s contents)?

Answer 0

Nerve, artery, and vein of the pterygoid canal

Also called the Vidian canal (vidian n., v., a.)

Question 1

What goes in the olfactory foramina?

Answer 1

Olfactory nerves
Nasociliary nerves
Anterior ethmoidal nerves

Question 2

What goes into the foramen rotundum?

Hint: mneumonic is “standing room only”

Answer 2

Maxillary n. (CN V2)

Question 3

What goes into foramen ovale?

Hint: mneumonic is “standing room only”

Answer 3

Mandibular n. (CN V3)

Question 4

What goes in foramen spinosum?

Answer 4

Middle meningeal a.

Question 5

What goes in the petrotympanic fissure?

Answer 5

Chorda tympani n.

Question 6

What goes into hiatus canalis facialis?

Answer 6

Greater superficial petrosal n.

Question 7

What goes into the internal auditory/acoustic meatus?

Answer 7

Vestibulocochlear n. (CN VIII)
Facial n. (CN VII)
Labyrinthine a.

Question 8

What crosses the foramen lacerum? Does anything go inside it?

Answer 8

Greater superficial petrosal n. passes superiorly before entering the carotid canal to merge with deep petrosal n.

Internal carotid a. and carotid plexus cross horizontally

Usually no structures pass through because during development the foramen is filled with cartilage after birth (according to Wiki)

Question 9

What goes into the jugular foramen?

Answer 9

Internal jugular v.
Glossopharyngeal n. (CN IX)
Vagus n. (CN X)
Spinal accessory n. (CN XI)

Question 10

What goes in the hypoglossal canal?

Answer 10

Hypoglossal n. (CN XII)

Shocking!!

Question 11

What goes into foramen magnum?

Answer 11

Medulla oblongata
Vertebral a.
Spinal Accessory n. (CN XI)

Question 12

What goes into stylomastoid foramen?

Answer 12

Facial n. (CN VII)

Question 13

What goes into supraorbital notch/foramen?

Answer 13

Supraorbital n., a., v.

Question 14

What goes into infraorbital foramen?

Answer 14

Infraorbital a. and n.

Question 15

Who’s gonna own this practical???

Answer 15

THIS BITCH!!!!

Question 16

What goes into the mental foramen?

Answer 16

Mental n.

Mental branch of inferior alveolar a.

Question 17

What goes into mandibular foramen?

Answer 17

Inferior alveolar a.

Inferior alveolar n., which becomes mental n. after passing through

Question 18

What goes into greater palatine foramen?

Answer 18

Greater palatine n.

Descending palatine a.

Question 19

What goes into lesser palatine foramen?

Answer 19

Lesser palatine n.

Question 20

What goes into incisive foramen/canal?

Answer 20

Nasopalatine n.

Question 21

What is in the lacrimal groove/canal?

Answer 21

Nasolacrimal sac and duct

Question 22

What goes into the optic canal?

Answer 22

Optic n.

Ophthalamic a.

Question 23

What goes into the superior orbital fissure?

Answer 23

Trochlear nerve (CN IV)
Frontal nerve 
Lacrimal nerve
Abducens nerve (CN VI)
Oculomotor nerve (CN III)
Superior Ophthalmic v.

Question 24

What goes into the inferior orbital fissure?

Answer 24

Zygomatic branch of maxillary n. (CN C2)
Infraorbital a.
Ascending branches of pterygopalatine ganglion