Skull

Question 1

Name joint A.

Answer 1

Coronal suture: connects the parietal bones to the frontal bone

Question 2

Name joint B.

Answer 2

Sagittal suture: joins the two parietal bones along the midline of the skull

sagittal - separate into right and left halves

Question 3

Name joint C.

Answer 3

lambdoidal suture: connects the occipital bone to the parietal bones

Question 4

Name bone D.

Answer 4

parietal bone: the parietal bones form most of the superior and lateral aspects of the cranium

Question 5

The blue bumps are the _____

Answer 5

occipital condyles: articulate with the atlas vertebra (C1)

condyle = smooth, rounded articular process

Question 6

The red structure is the _____

Answer 6

mandibular condyle: articulates with mandibular fossa of the temporal bone; together they for the temporomandibular joint

Question 7

The yellow parts are the _____

Answer 7

mandibular fossa: depression on temporal bone where the mandible articulates with the skull; forms temporomandibular joint

fossa = shallow depression

Question 8

The blue part is the _____ of the _____ bone.

Answer 8

mastoid process; temporal

Question 9

The purple part is the _____

Answer 9

zygomatic arch

Question 10

The green part is the _____

Answer 10

coronoid process: projection of the mandible to which a muscle moving the mandible upward attaches (anterior toward the teeth)

Question 11

The orange parts are the _____

Answer 11

alveolar processes: ridges on the mandible and maxilla that help to form the sockets that hold the teeth

Question 12

Name joint A.

Answer 12

squamosal suture: connects the parietal bone to the temporal bone on either side of the skull

Question 13

The green/blue part is the _____ of the _____ bone.

Answer 13

crista galli (a membrane holding the brain in place attaches to this)

ethmoid bone: deepest bone of the skull; between the nasal bones of the sphenoid

Question 14

The green/blue part is the _____ of the _____ bone.

Answer 14

sella turcica (protects and houses the pituitary glad)

sphenoid bone (butterfly shaped, forming the posterior wall of the orbits; articulates with all of the cranial bones)

Question 15

The yellow space is the _____

Answer 15

orbit

Question 16

The red bones are the _____

Answer 16

nasal bones

Question 17

The bones in the green boxes are the _____

Answer 17

inferior nasal conchae: they function to increase surface are of the nasal cavity

Question 18

The blue bone is the _____

Answer 18

ethmoid bone: deepest bone of the skull; lies between the nasal bones and the sphenoid

Question 19

The yellow bone is the _____

Answer 19

vomer: lowest portion of the septum

Question 20

The green/blue part is the _____

Answer 20

maxillae bones

Question 21

The purple space is the _____

Answer 21

frontal sinus

Question 22

The red space is the _____

Answer 22

sphenoidal sinus

Question 23

The blue spaces are the _____

Answer 23

ethmoidal sinuses

Question 24

The green space is the _____

Answer 24

maxillary sinus

Question 25

The red holes are the \_\_\_\_\_

Answer 25

carotid foramina

Question 26

The green holes are the \_\_\_\_\_

Answer 26

jugular foramina

Question 27

The blue hole in the orbit is the \_\_\_\_\_

Answer 27

optic foramen

Question 28

The red arrow indicates the \_\_\_\_\_

Answer 28

nasolacrimal canal

Question 29

The red part is the _____ of the _____ bone.

Answer 29

**cribriform plate**: olfactory bulbs lie on the plate ## Footnote **ethmoid**

Question 30

The small holes within the red part are the \_\_\_\_\_

Answer 30

**olfactory foramina**: through wich olfactory nerves for the sense of smell pass from the nasal cavity to the olfactory bulbs

Question 31

Bone 1 is the \_\_\_\_\_

Answer 31

frontal bone

Question 32

Bone 2 is the \_\_\_\_\_

Answer 32

zygomatic bone

Question 33

Bone 3 is the \_\_\_\_\_

Answer 33

sphenoid bone

Question 34

Bone 5 is the \_\_\_\_\_

Answer 34

maxilla bone

Question 35

Bone 1 is the \_\_\_\_\_

Answer 35

frontal bone

Question 36

Bone 2 is the \_\_\_\_\_

Answer 36

zygomatic bone

Question 37

Bone 3 is the \_\_\_\_\_

Answer 37

sphenoid bone

Question 38

Bone 4 is the \_\_\_\_\_

Answer 38

maxilla bone