Bones of the cranium and skull foramina

Question 1

Label the following diagram:

Answer 1

Frontal bone

Question 2

Label the following diagram:

Answer 2

Parietal bone

Question 3

Label the following diagram:

Answer 3

Occipital bone

Question 4

Label the following diagram:

Answer 4

Temporal bone

Question 5

Label the following diagram:

Answer 5

Sphenoid bone

Question 6

Label the following diagram:

Answer 6

Ethmoid bone

Question 7

Label the following diagram:

Answer 7

Mandible

Question 8

Label the following diagram. Which nerve passes through here?

Answer 8

Cribriform plate of ethmoid

Olfactory nerve fibres pass through

Question 9

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 9

Optic Canal

Optic nerve

Central artery of retinal

Ophthalmic artery

Question 10

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 10

Superior orbital fissure

Oculomotor (III)

Trochlear (IV)

Ophthalmic division of V (V1)

Abducens (VI)

Superior ophthalmic vein

Question 11

Label the following diagram. Which nerve passes through here?

Answer 11

Foramen rotundum

Maxillary division of trigeminal (V2)

Question 12

Label the following diagram. Which nerve passes through here?

Answer 12

Foramen ovale

Mandibular division of trigeminal (V3)

Question 13

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 13

Foramen spinosum

Middle meningeal artery + vein

Meningeal branch of mandibular nerve of trigeminal nerve

Question 14

Label the following diagram. Which blood vessel passes through here?

Answer 14

Carotid canal

Internal carotid artery

Question 15

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 15

Internal acoustic meatus

Facial (VII)

Vestibulocochlear (VIII)

Labyrinthine artery

Question 16

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 16

Jugular foramen

Glossopharyngeal (IX) nerve

Vagus (X) nerve

Accessory (XI) nerve

Sigmoid + inferior petrosal sinuses

Question 17

Label the following diagram. Which nerve passes through here?

Answer 17

Hypoglossal canal

Hypoglossal (XII) nerve

Question 18

Label the following diagram. Which nerves/ blood vessels pass through here?

Answer 18

Foramen magnum

Vertebral arteries

Medulla of brain

Spinal roots of accessory nerves

Question 19

Label the following diagram. Which nerve passes through here?

Answer 19

Stylomastoid foramen

Facial nerve (VII)

Question 20

Which structures pass through the infraorbital foramen?

Answer 20

Infraorbital nerve + vessels

Question 21

Which structures pass through the mental foramen?

Answer 21

Mental nerve + vessels

Question 22

Which structures pass through the incisive foramen?

Answer 22

Nasopalatine nerve

Sphenopalatine vessels

Question 23

Which foramen is filled with cartilage?

Answer 23

Foramen lacerum

Question 24

What is the pterion?

Answer 24

Small circular area where the sphenoid, frontal, parietal, + temporal bones of the skull come together. It is a weak point.

Question 25

Label the following diagram:

Answer 25

Maxilla

Question 26

Label the following diagram:

Answer 26

Nasal

Question 27

Label the following diagram:

Answer 27

Zygoma

Question 28

Label the following diagram:

Answer 28

Inferior nasal conchae

Question 29

Label the following diagram:

Answer 29

Vomer

Question 30

Label the following diagram:

Answer 30

Perpendicular plate of ethmoid

Question 31

Label the following diagram:

Answer 31

Lacrimal bone

Question 32

Label the following diagram:

Answer 32

Palatine bone

Question 33

Label the following diagram:

Answer 33

Frontal bone

Question 34

Label the following diagram:

Answer 34

Coronal suture

Question 35

Label the following diagram:

Answer 35

Bregma

Question 36

Label the following diagram:

Answer 36

Sagittal suture

Question 37

Label the following diagram:

Answer 37

Lambda

Question 38

Label the following diagram:

Answer 38

Lambdoid suture

Question 39

Label the following diagram:

Answer 39

External acoustic meatus

Question 40

Label the following diagram:

Answer 40

Mental foramen

Question 41

Label the following diagram:

Answer 41

Infraorbital foramen

Question 42

Label the following diagram:

Answer 42

Pterion

Question 43

Label the following diagram:

Answer 43

Olfactory nerve (I)

Question 44

Label the following diagram:

Answer 44

Optic nerve (II)

Question 45

Label the following diagram:

Answer 45

Oculomotor (III)

Question 46

Label the following diagram:

Answer 46

Trochlear nerve (IV)

Question 47

Label the following diagram:

Answer 47

Trigeminal nerve (V)

Question 48

Label the following diagram:

Answer 48

Abducens nerve (VI)

Question 49

Label the following diagram:

Answer 49

Facial nerve (VII)

Question 50

Label the following diagram:

Answer 50

Vestibulocochlear nerve (VIII)

Question 51

Label the following diagram:

Answer 51

Hypoglossal nerve (XII)

Question 52

Label the following diagram:

Answer 52

Vagus nerve (X)

Question 53

Label the following diagram:

Answer 53

Accessory nerve (XI)

Question 54

Label the following diagram:

Answer 54

Glossopharyngeal nerve (IX)