Foramina and fissures

Question 1

Incisive fossa

Answer 1

Nasopalatine nerve

Question 2

Formen lacerum

Answer 2

-

Question 3

Foramen ovale

Answer 3

Lesser petrosal nerve
Accessory meningeal artery
Mandibular nerve (CN V3)

Question 4

Foramen sipnosum

Answer 4

Middle meningeal artery ve veins
meningeal branch of mandibular nerve

Question 5

Stylomastoid foramen

Answer 5

Facial nerve (CN VII)

Question 6

Jugular foramen

Answer 6

Glossopharyngel nerve (CN IX)
Vagu nerve (CN X)
Spinal accessory nerve (CN XI)
Internal jugular vein
inferior petrosal sinus
sigmoid sinus
posterior meningeal artery

Question 7

Mastoid foramen

Answer 7

Mastoid emissay
posterior meningeal artery

Question 8

Hypoglossal canal

Answer 8

Hypoglossal nerve (XII)

Question 9

Foramen cecum

Answer 9

Emissary vein to superior sagittal sinus

Question 10

Nasal fissure + anterior ethmoidal foramen

Answer 10

Anterior ethmoidal artery and vein
Anterior ethmoidal nerve

Question 11

Cribriform foramina

Answer 11

olfactory nerve (CN I)

Question 12

Optic canal

Answer 12

Optic nerve (CN II)
Ophthalmic artery

Question 13

Superior orbital fissure

Answer 13

Oculomotor nerve (CN III)
Trochlear nerve (CN III)
Ophthalmic nerve (CN V1)
Abducens nerve( CN VI)
Superior ophtalmic vein

Question 14

Foramen rotundum

Answer 14

Maxillary nerve (CN V2)

Question 15

Internal acoustic meatus

Answer 15

Facial nerve (CN VII)
Vestibulocohlear nerve (CN VIII)
Lavyrinthine artery

Question 16

Vestibular canalicus

Answer 16

endolymphatic duct