skull

Question 1

what are the 3 regions of the “face”

Answer 1

1. nasal
2. oral
3. orbital

Question 2

what bones are in the nasal region?

Answer 2

• nasal
• maxillary
• incisive bone
• palatine

Question 3

what bones are in the oral region?

Answer 3

• incisive bone
• maxillary
• palatine bone

Question 4

what bones are in the orbital region?

Answer 4

• socket
• zygomatic bone
• lacrimal sphenoid
• portions of frontal bone

Question 5

what bone do pigs have in their noses to help them “root”?

Answer 5

rostral bone

Question 6

which bone are the lower teeth attached too?

Answer 6

mandible

Question 7

two divisions of the mandible bone consists of?

Answer 7

Body & ramus

Question 8

which bone the upper cheek teeth are attached to?

Answer 8

maxillary

Question 9

which bone the upper incisors are attached to?

Answer 9

incisive bone

Question 10

what bones form the hard palate?

Answer 10

maxillary & palatine bone

Question 11

which bone forms the roof of the cranium in the ox & pig?

Answer 11

frontal bone

Question 12

which bones form the roof of the cranium in the dog?

Answer 12

frontal & parietal bone

Question 13

2 bones that contribute to the zygomatic arch

Answer 13

zygomaticbone & temporal bone

Question 14

cranium

Answer 14

• bone surrounding the brain
• forms the cranial cavity

Question 15

foramen magnum

Answer 15

large opening into cranial cavity for continuity of the brain & spinal cord

Question 16

tympanic bulla

Answer 16

• smooth bulbous enlargement on ventral side of temporal bone
• housing the middle ear

Question 17

cribriform plate

Answer 17

• located at the base of the skull
• part of the ethmoid bone
• allow passage for the olfactory nerves to the roof of the nasal cavity

Question 18

occipital condyles

Answer 18

• paired structures lateral to foramen magnum
• articulates with the atlas

Question 19

external acoustic meatus

Answer 19

• large opening in temporal bone’s tympanic bulla
• located caudal to zygomatic arch

Question 20

cornual process

Answer 20

• frontal bone
• vast region that extends from the base of the nose to the top of the skull

Question 21

dorsal nasal conchae

Answer 21

slightly curled scroll that is attached to the ethmoid crest (ethmoid & nasal bones)

Question 22

optic canal

Answer 22

• funnel like structure of the sphenoid bone
• contains the optic nerves that travel through the canals

Question 23

orbital fissure

Answer 23

passage way for oculomotor, trochlear, abducens, and ophthalmic nerves

Question 24

round foramen

Answer 24

opening in sphenoid bone, transmitting maxillary nerves

Question 25

oval foramen

Question 26

alar canal

Question 27

infraorbital canal

Question 28

mandibular symphysis

Question 29

mandibular canal

Question 30

mental foramina

Question 31

mandibular foramina

Question 32

palatine fissure

Question 33

masseteric fossa

Question 34

dens

Question 35

hemal arch

Question 36

what bones form the floor of the cranial cavity?

Answer 36

palatine bone

Question 37

which bone forms the rostral wall of the cranium?

Answer 37

ethmoid bone

Question 38

what skull bone is the most caudal?

Answer 38

occipital bone

Question 39

what bones are associated with the cranium?

Answer 39

frontal & parietal bone

Question 40

what bones are associated with the face?

Answer 40

- nasal bone - nasal aperture - incisive bone - maxillary bone - palatine bone - lacrimal bone - sphenoid bone - zygomatic bone - bony socket of eye