The Skull

Front 1

How many bones is the skull composed of?

Back 1

22

Front 2

How many bones form the cranium or "braincase"?

Back 2

8

Front 3

How many bones are associated with the face?

Back 3

14

Front 4

Most skull bones are ________ bones.

Back 4

flat

Front 5

All of the bones of the skull articulate via sutures except what?

Back 5

the mandible's articulation to the temporal bone

Front 6

what type of joint is the temporomandibular joint?

Back 6

synovial, modified hinge, diarthortic

Front 7

the only moveable bone of the skull

Back 7

mandible

Front 8

what type of joints are sutures?

Back 8

fibrous, synarthrotic

Front 9

What are the 7 other bones associated with the skull?

Back 9

hyoid and 6 auditory ossicles

Front 10

What bones make up the calvaria or the "bald part of the skull"?

Back 10

frontal, parietal, and occipital bones

Front 11

what bones make up the cranial base or floor of the skull?

Back 11

temporal, sphenoid, and ethmoid bones

Front 12

the suture found between the frontal and parietal bones

Back 12

coronal suture

Front 13

the suture between the parietal and temporal bones

Back 13

squamosal suture

Front 14

the suture between the parietal bones

Back 14

sagittal suture

Front 15

the suture between the parietal and occipital bones

Back 15

lamboidal suture

Front 16

what is found between the supra-orbital margin and the supraciliary arch of the frontal bone?

Back 16

supraorbital foramina or notch

Front 17

What comes through the supraorbital foramen/notch?

Back 17

branches of the trigeminal nerve

Front 18

What is the supraorbital nerve a branch of?

Back 18

the opthalmic division of CNV

Front 19

hollowed out areas of the frontal, sphenoid, ethmoid, and maxillae bones

Back 19

paranasal sinuses

Front 20

what structures are transmitted through the foramen magnum?

Back 20

vertebral arteries and the spinal cord

Front 21

on either side of the foramen magnum is a hypoglassal canal...what structure is transmitted through this canal?

Back 21

CNXII or hypoglossal nerves

Front 22

what structures are transmitted through the jugular foramen?

Back 22

CNIX, CNX, CNXI and the internal jugular vein

Front 23

what is the flat portion of the temporal bone called?

Back 23

squamous portion

Front 24

what is the medial end of the external acoustic meatus?

Back 24

tympanic membrane

Front 25

the zygomatic process of the temporal bone and the temporal process of the zygomatic bone form what?

Back 25

zygomatic arch

Front 26

What structure is transmitted through the stylomastoid foramen of the temporal bones?

Back 26

CNVII or the facial nerve

Front 27

what enters the skull through the carotid canal?

Back 27

internal carotid artery

Front 28

the portion of the temporal bone that is rock hard and also is where your middle and inner ear cavity are found

Back 28

petrous portion

Front 29

opening along the petrous portion of the temporal bone

Back 29

internal acoustic meatus

Front 30

What 2 pairs of cranial nerves are transmitted through the internal acoustic meatus?

Back 30

CNVII and CNVIII

Front 31

bat like bone that sits between the anterior and middle cranial fossas

Back 31

sphenoid

Front 32

2 openings in the lesser wing of the sphenoid bone lead into what?

Back 32

optic canal

Front 33

What is within hypophyseal fossa of the sella tercica of the sphenoid bone?

Back 33

pituitary gland

Front 34

the pituitary gland is surrounded by bones everywhere except __________________

Back 34

superiorly

Front 35

the superior orbital fissure is underneath the lesser wing of the sphenoid bone; what structures are transmitted through this fissure

Back 35

CNIII, CNIV, CNVI and opthalmic division of CNV

Front 36

list the 3 additional foramina on the sphenoid bone

Back 36

foramen rotundum, foramen ovale, foramen spinosum

Front 37

what structures are transmitted through foramen rotundum?

Back 37

maxillary division of CNV

Front 38

what structures are transmitted through foramen ovale?

Back 38

mandibular division of CNV

Front 39

what structures are transmitted through foramen spinosum?

Back 39

middle meningeal artery

Front 40

vertical projections beginning at the border between the greater and lesser wings of the sphenoid

Back 40

pterygoid processes

Front 41

each pterygoid process is composed of a ______________ and a ______________ plate

Back 41

medial and lateral

Front 42

in between the 2 pterygoid plates is what?

Back 42

pterygoid fossa

Front 43

What structure is transmitted through the cribriform plate of the ethmoid bone?

Back 43

olfactory nerve fibers

Front 44

where is the olfactory epithelium found?

Back 44

along the roof of the nasal cavity

Front 45

through what foramen does the internal artery enter the cranial vault?

Back 45

foramen lacerum

Front 46

what structures are transmitted through the optic foramen?

Back 46

CNII and opthalmic artery

Front 47

a process of the ethmoid bone to which the falx cerebri attaches

Back 47

crista galli

Front 48

the largest facial bones

Back 48

maxillae

Front 49

the maxilla bones articulate with all other facial bones except what?

Back 49

the mandible

Front 50

the inferior aspects of the maxillae to which the teeth attach

Back 50

alveolar processes

Front 51

foramina of the maxillae

Back 51

infraorbital foramina

Front 52

infraorbital nerves that pass through the infraorbital foramen of the maxillae are branches of what nerve?

Back 52

the maxillary division of CNV

Front 53

the bony portion along the roof of your oral cavity that separates the oral cavity from the nasal cavity

Back 53

hard palate

Front 54

the only moveable bone of the face

Back 54

mandible

Front 55

mental foramen is on both sides of the body of the mandible; what nerve comes through this foramen

Back 55

mental nerve; branch of the mandibular division of CNV

Front 56

small, L-shaped bones

Back 56

palatine

Front 57

is the inferior nasal conchae a part of the ethmoid bone?

Back 57

no

Front 58

this bone forms the inferior portion of the nasal septum

Back 58

vomer

Front 59

the nasal septum is posteriorly made of __________ and anteriorly made of ________________.

Back 59

bone, cartilage

Front 60

air filled chambers within bone that act as extensions of the nasal cavities

Back 60

paranasal sinuses

Front 61

this bone is not in direct contact with any other bones in the skeleton and it serves as an attachment point for muscles involved in the movement of the tongue, neck, larynx, and pharynx

Back 61

hyoid bone

Front 62

what skull bones contain paranasal sinuses?

Back 62

frontal, ethmoid, sphenoid, maxillae

Front 63

what cranial bone articulates with the condyle of the mendible?

Back 63

temporal

Front 64

what nasal conchae is a separate bone and not a part of the ethmoid bone?

Back 64

inferior nasal conchae

Front 65

what bones form the bridge of the nose?

Back 65

nasal bones

Front 66

what bones form the hard palate?

Back 66

maxillae and palatine