Skull 16-22

Question 1

Internal - anterior to the occipital
(butterfly shaped)

Answer 1

Sphenoid

Question 2

Internal - body of the butterfly

Answer 2

Basisphenoid

Question 3

Internal - wings of the butterfly

Answer 3

Alisphenoid

Question 4

Internal - a thin rod shape extends posteriorly from the body of the pterygoid process

Answer 4

Hamulus

Question 5

Internal
1st hole = CNII and ophthalmic artery
2nd hole = CNIII, IV, V, & VI
3rd hole = CNV
4th hole = CNV

Answer 5

1st hole = Optic Foramen
2nd hole = Orbital Fissure
3rd hole = Foramen Rotundum
4th hole = Foramen Ovale

Question 6

Internal - dorsal part of sphenoid - front part of saddle

Answer 6

Tuberculum Sellae

Question 7

Internal - posterior part of sphenoid - back part of saddle

Answer 7

Dorsum Sellae

Question 8

Internal - groove that contains holes with vision nerves

Answer 8

Chiasmatic Groove

Question 9

Internal - AKA auditory bulla roughly ovoid and hollow bulbs at the caudoventral end of the skull

Answer 9

Tympanic Bulla

Question 10

External “ear hole”

Answer 10

External auditory meatus

Question 11

Connects 2 parts or halves of the bottom jaw - breaks easily

Answer 11

Intermandibular symphysis

Question 12

Protrusion to the top of the bottom jaw

Answer 12

Coronoid process

Question 13

Holes on the outside of the jaw - CNV

Answer 13

Mental Foramina

Question 14

Holes on the inside of the bottom jaw - CNV

Answer 14

Mandibular foramen

Question 15

Gap between canines and premolars - called the bit seat on horses

Answer 15

Diastema

Question 16

What is the bottom jaw called

Answer 16

Mandible

Question 17

Protrusion to the back of the bottom jaw

Answer 17

Condyloid processes

Question 18

1. Between premaxilla and maxilla
2. Between nasal and maxilla

Answer 18

1. Intermaxillary suture
2. Nasomaxillary suture

Question 19

Between sphenoid and frontal in the eye socket area

Answer 19

Sphenofrontal suture

Question 20

Between parietals

Answer 20

Sagittal suture

Question 21

Between occipital and interparietals

Answer 21

Lambdoidal suture

Question 22

Between parietals and temporal

Answer 22

Squamosal suture

Question 23

Between frontal and parietal

Answer 23

Coronal suture

Question 24

Between frontal

Answer 24

Frontal suture

Question 25

Houses the cerebrum, diencephalon, and mesencephalon

Answer 25

Cerebral fossa

Question 26

Caudal to the cribiform plate - houses the olfactory bulbs

Answer 26

Olfactory fossa

Question 27

Houses the pons, cerebellum, and medulla oblongata

Answer 27

Cerebellar fossa

Question 28

Cavity within the frontal bone - dehorning

Answer 28

Frontal sinus

Question 29

Aids in weight reduction of the skull

Answer 29

Sphenoidal sinus