The Skull

Question 1

List the bones associated with the Cranium.

Answer 1

Occipital bone
Temporal bone
Parietal bone
Frontal bone
Ethmoid bone
Sphenoid bone (made up of presphenoid & basisphenoid bone)

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Question 2

List the bones associated with the face.

Answer 2

Nasal bone - nasal region
Maxillary bone - nasal and oral region
Incisive bone - nasal and oral region
Palatine bone - nasal and oral region
Zygomatic bone
Lacrimal bone
Ventral Nasal Concha
Pterygoid bones
Vomer
Mandible bone

Question 3

Which skull bone is the most caudal?

Answer 3

Occipital bone (single bone that forms the back of the skull)

Question 4

Which bone forms the rostral wall of the cranium?

Answer 4

Ethmoid bone

Question 5

Which bone makes up the floor of the cranial cavity?

Answer 5

Sphenoid bone

(is made up of the presphenoid bone and the basisphenoid bone)

Question 6

What is the cranium and what bones is it associated with?

Answer 6

defined as the bones that surround/house the brain.

Associated with:
occipital bone
temporal bone
parietal bone
frontal bone
ethmoid bone
sphenoid bone

Question 7

What is the foramen magnum and what bone is it associated with?

Answer 7

large opening into cranial cavity for continuity of brain and spinal cord.

Associated with occipital bone.

Question 8

What bone is the occipital condyles associated with?

Answer 8

Associated with occipital bone

Question 9

What is the tympanic bulla and what bone is it associated with?

Answer 9

smooth bulbous enlargement on ventral side of temporal bone, houses middle ear.

Associated with temporal bone.

Question 10

What bone is the external acoustic meatus associated with?

Answer 10

associated with temporal bone

Question 11

What bone is the cornual process associated with?

Answer 11

associated with frontal bone

Question 12

What is the cribriform plate and what bone is it associated with?

Answer 12

plate with numerous holes that serve as the passageway for olfactory nerves.

Associated with ethmoid bone.

Question 13

What bone is the dorsal nasal conchae associated with?

Answer 13

associated with ethmoid bone

Question 14

What bone is the optic canal associated with?

Answer 14

associated with sphenoid bone.

Question 15

What bone is the orbital fissure associated with?

Answer 15

associated with sphenoid bone.

Question 16

What bone is the round foramen associated with?

Answer 16

associated with sphenoid bone.

Question 17

What bone is the oval foramen associated with?

Answer 17

associated with sphenoid bone.

Question 18

What bone is the alar canal associated with?

Answer 18

associated with sphenoid bone.

Question 19

What is the hypophyseal fossa and what bone is it associated with?

Answer 19

associated with the sphenoid bone.

It is the depression in the floor of the cranial cavity (sphenoid bone) holding the pituitary gland.

Question 20

What bone is the infraorbital canal associated with?

Answer 20

associated with the maxillary bone.

Question 21

What bone is the mandibular symphysis associated with?

Answer 21

associated with the mandible bone.

Question 22

What bone is the mandibular canal associated with?

Answer 22

associated with the mandible bone

Question 23

What bone is the mental foramina associated with?

Answer 23

associated with mandible bone.

Question 24

What bone is the mandibular foramina associated with?

Answer 24

associated with the mandible bone.

Question 25

What bone is the palatine fissure associated with?

Answer 25

associated with incisive bone.

Question 26

What bone is the masseteric fossa associated with?

Answer 26

associated with the mandible

Question 27

What bone are the dens associated with?

Answer 27

associated with vertebrae

Question 28

What bone is the hemal arch associated with?

Answer 28

associated with vertebrae.

Question 29

What are the two bones that contribute to the zygomatic arch?

Answer 29

1. Zygomatic bone
2. Zygomatic process of temporal bone

Question 30

Which two bones form the roof of the cranium in the dog?

Answer 30

Parietal bone
Frontal bone

Question 31

Which bone forms the roof of the cranium in the ox and pig?

Answer 31

Frontal bone

Question 32

Which bones form the hard palate?

Answer 32

Palatine, maxillary, and incisive bones

Question 33

Which bone are the upper incisors are attached to?

Answer 33

Incisive bone.

Question 34

Which bone are the upper cheek teeth are attached to?

Answer 34

Maxillary bone

Question 35

Which bone are the lower teeth are attached to and what are the two divisions of this bone?

Answer 35

Mandible bone.
2 divisions: body (horizontal part that bears lower teeth) and ramus (vertical part, holds no teeth)

Question 36

What bone do pigs have in their nose to help them “root”?

Answer 36

Rostral bone

Question 37

What are the three regions of the “face” and the bones that contribute to them?

Answer 37

Nasal Region
- nasal
- maxillary
- palatine
- incisive

Oral Region
- incisive
-maxillary
-palatine

Orbital Region
- formed by portions of frontal, lacrimal, sphenoid, and zygomatic bones.