Cranium

Question 1

What bone forms much of the dorsal and lateral walls of the cranium?

Answer 1

Parietal

Question 2

What is the bone of the cranium that lies below the parietal bone on the caudolateral surface of the skull?

Answer 2

Temporal bone

Question 3

What is the name of the rounded prominence at the most ventral part of the temporal bone?

Answer 3

Tympanic bulla

Question 4

What does the tympanic bulla house?

Answer 4

Structures of the inner ear

Question 5

What is the name of the opening into the tympanic bulla?

Answer 5

External acoustic meatus

Question 6

What bone forms the front aspect of the cranium or ‘forehead’

Answer 6

Frontal

Question 7

What is the name of the air filled chamber on the frontal bone?

Answer 7

Frontal sinus

Question 8

What is the name of the bone that lies at the base of the skull on the caudal aspect?

Answer 8

Occipital

Question 9

What is the name of the hole that the spinal chord passes through into the skull?

Answer 9

Foramen magnum

Question 10

What is the name of the bony prominences on either side of the foramen magnum?

Answer 10

Occipital Condyles

Question 11

What lie next to the occipital condyles?

Answer 11

Jugular processes

Question 12

What bones lies on the ventral aspect of the skull and forms the floor of the cranial cavity?

Answer 12

Sphenoid

Question 13

What is the name of the ridge of bone on the coral midline surface of the skull?

Answer 13

Sagittal crest

Question 14

What is the name of the arch of bone that projects laterally from the skull, forming the ‘cheekbone’

Answer 14

Zygomatic arch

Question 15

What is the bone that lies at the bad of the orbit, and the region through which the tears drain from the eye into the nose

Answer 15

Lacrimal

Question 16

What forms the sides of the nasal chambers?

Answer 16

The maxilla

Question 17

What forms the roof of the nasal chambers?

Answer 17

The nasal bone

Question 18

What divides the nasal chamber in two?

Answer 18

Nasal septum

Question 19

What are the scrolls of bone inside the nasal chambers called?

Answer 19

Nasal turbinates or conchae

Question 20

What forms the boundary between the nasal and cranial cavities?

Answer 20

Ethmoid bone

Question 21

What is the name of the sieve like area through which the olfactory nerves pass from the nasal mucosa to the olfactory bulbs of the brain?

Answer 21

Cribriform plate

Question 22

What is the roof of the mouth called?

Answer 22

Hard pallet

Question 23

What bones form the hard palette?

Answer 23

The incisive bone, part of the maxilla and the palatine

Question 24

What is the name of the most rostral bone of the skull?

Answer 24

The incisive

Question 25

What is the name of the joint that connects the 2 halves of the mandible?

Answer 25

Mandibular symphysis

Question 26

What is the name of the horizontal part of the mandible?

Answer 26

The body

Question 27

What is the name of the vertical part of the mandible?

Answer 27

The Ramus

Question 28

Where does the Ramus articulate with the rest of the skull?

Answer 28

At the temporomandibular joint via the condylar process

Question 29

At what point does the temporalis muscle attach to the mandibular Ramus?

Answer 29

Coronoid process

Question 30

At what point does the masseter muscle lie?

Answer 30

The masseteric fossa on the lateral surface of the Ramus

Question 31

Cranium

Answer 31

The part of the skull that encloses the brain

Question 32

Dolichocephalic

Answer 32

A long and narrow nose such as the greyhound

Question 33

Mesaticephalic

Answer 33

the normal shape of the dogs skull such as beagle

Question 34

Brachycephalic

Answer 34

More rounded skull shape and short nose head shape causing shortening of the nasal chambers, hard palate and mandible seen in breeds such as the pug