Lab Chapter 8

Front 1

cranial bone: one large, flat anterior bone

Back 1

frontal bone

Front 2

cranial bone: two large, flat bones forming the anterior lateral wall

Back 2

Parietal bones

Front 3

cranial bone: one butterfly shaped , mostly interior bone

Back 3

sphenoid

Front 4

cranial bone: one large, flat posterior bone

Back 4

occipital bone

Front 5

cranial bone: one small, interior bone anterior to the sphenoid bond

Back 5

ethmoid

Front 6

cranial bone: two bony shelves extending inward from lateral wall nasal cavity

Back 6

inferior nasal conchae

Front 7

suture between the frontal and parietal bones

Back 7

coronal suture

Front 8

suture between the two parietal bones

Back 8

sagittal suture

Front 9

suture between the temporal and parietal bones

Back 9

squamous suture

Front 10

suture between the parietal bones and the occipital bone

Back 10

lambdoid suture

Front 11

facial bones: two that form the upper jaw and hard plate

Back 11

maxillae

Front 12

facial bones: two that form the cheek bones

Back 12

zygomatic bones

Front 13

facial bones: two that form the proximal bridge of the nose

Back 13

nasal bones

Front 14

facial bones: two forming the posterior part of the hard plate

Back 14

palatine bones

Front 15

facial bones: one forming the lower jaw

Back 15

mandible

Front 16

facial bones: one that forms the floor of the nasal cavity

Back 16

vomer

Front 17

the socket that houses and protects the eye

Back 17

orbit

Front 18

orbit: formed by the frontal bone

Back 18

roof

Front 19

orbit: formed by the maxilla

Back 19

floor

Front 20

orbit: formed by the zygomatic bone

Back 20

lateral wall

Front 21

orbit: formed by the ethmoid and lacrimal bone

Back 21

medial wall

Front 22

orbit: formed by the sphenoid

Back 22

posterior wall

Front 23

frontal bone: thickening of the frontal bone superior to the orbit

Back 23

supraorbital margin

Front 24

frontal bone: opening located within the supraorbital margin that transmits the supraorbital nerve and vessels

Back 24

supraorbital foramen

Front 25

temporal bone: a rounded projection at the inferior surface that serves as attachment for muscles

Back 25

mastoid process

Front 26

temporal bone: a narrow, pointed projection anterior to the mastoid process that is an attachment for muscles

Back 26

styloid process

Front 27

temporal bone: the canal through the temporal bone that transmits sound waves to the tympanic membrane (eardrum)

Back 27

external acoustic meatus

Front 28

temporal bone: a depression of the inferior surface that receives the condylar process of the mandible

Back 28

mandibular fossa

Front 29

temporal bone: a slender projection that articulates with the temporal process of the zygomatic bone to form the zygomatic arch

Back 29

zygomatic process

Front 30

temporal bone: a tube-like opening at the inferior surface that transmits the internal carotid artery

Back 30

carotid canal

Front 31

temporal bone: a large opening at the inferior surface that transmits the internal jugular vein and cranial nerves IX, X, and XI

Back 31

jugular foramen

Front 32

temporal bone: a narrow opening with jagged edges at the inferior surface that is filled with cartilage in a living skull

Back 32

foramen lacerum

Front 33

temporal bone: a small opening at the inferior surface that transmits cranial nerve VII

Back 33

styloidmastoid foramen

Front 34

temporal bone: a canal on the posteromedial surface that transmits cranial nerve VIII and internal auditory vessels

Back 34

internal acoustic meatus

Front 35

occipital bone: the large opening that transmits the spinal cord, vertebral arteries, and cranial nerve XI

Back 35

foramen magnum

Front 36

occipital bone: two rounded processes on opposing sides of the foramen magnum that articulate with the atlas

Back 36

occipital condyle

Front 37

occipital bone: tube-like opening on the anterolateral surface of the occipital condyle that transmits cranial nerve XII

Back 37

hypoglossal canal

Front 38

ethmoid: a narrow ridge on the superior surface that serves as an attachment for the cranial meninges

Back 38

crista galli

Front 39

ethmoid: located on opposing sides of the crista galli. They are sieve like surfaces that form the roof of the nasal cavity.

Back 39

cribriform plate

Front 40

ethmoid: a flat interior surface forming the superior part of the nasal septum.

Back 40

perpendicular plate

Front 41

ethmoid: scroll-like projections on each lateral wall of the nasal cavity

Back 41

Superior nasal conchae

Front 42

Ethmoid: scroll-like projections on each lateral wall of the nasal cavity, inferior to the superior nasal conchae

Back 42

Middle nasal conchae

Front 43

sphenoid: tube-like opening for cranial nerve II and ophthalmic artery

Back 43

optic canal

Front 44

sphenoid: opening that transmits the maxillary branch of cranial nerve V

Back 44

foramen rotundum

Front 45

sphenoid: oval opening that transmits the mandibular branch of cranial nerve V

Back 45

foramen ovale

Front 46

sphenoid: flat surfaces that form the anterior and lateral floor of the cranium

Back 46

greater and lesser wings

Front 47

sphenoid: a saddle-like feature that supports the pituitary gland

Back 47

sella turcica

Front 48

maxilla: ridge surrounding dental alveoli; two processes unite to form the alveolar arch

Back 48

alveolar process

Front 49

maxilla: opening that transmits the infraorbital nerve and vessels

Back 49

infraorbital foramen

Front 50

mandible: ridge surrounding dental alveoli

Back 50

alveolar arch

Front 51

mandible: the curved, anterior portion

Back 51

body of the mandible

Front 52

mandible: the posterior arm that angles upward

Back 52

ramus

Front 53

mandible: the corner where the ramus begins its upward angle

Back 53

angle

Front 54

mandible: opening on the external surface of the body that transmits the mental nerve and vessels

Back 54

mental foramen

Front 55

mandible: opening on the inside surface o the ramus that transmits the inferior alveolar nerve and vessels

Back 55

mandibular foramen

Front 56

mandible: rounded projection on the superior part of the ramus

Back 56

condylar process

Front 57

mandible: anterior-most projection on the superior part of the ramus

Back 57

coronoid process

Front 58

mandible: a large, u-shaped curve on the superior edge of the ramus

Back 58

mandibular notch

Front 59

lacrimal bone: groove containing the lacrimal sac

Back 59

lacrimal groove

Front 60

zygomatic bone: projection that articulates with the zygomatic process of the temporal bonze

Back 60

temporal process

Front 61

cavities within certain bones of the skull that are lined with mucous membranes, and communicate with the nasal cavities by way of small openings

Back 61

paranasal sinuses

Front 62

four paranasal sinuses

Back 62

1. frontal sinus

2. sphenoidal sinus

3. maxillary sinus

4. ethmoidal cells

Front 63

patches of tissue between plates of fetal cranial bones

Back 63

fontanelles or "soft spots"

Front 64

Cranial bone: two large bones forming the inferior lateral wall

Back 64

Temporal bones