skull

Question 1

which bone makes the lateral wall of eye orbit

Answer 1

zygomatic

Question 2

where is the glabella

Answer 2

on the frontal bone in between the 2 superciliary arches (eyebrow bones)

Question 3

sagitall suture

Answer 3

between parietal bones

Question 4

chewing involving significant lateral motions of the mandible
expansion of the brain and brain case

Answer 4

hominid characteristics

Question 5

what passes in the lacrimal groove

Answer 5

nasolacrimal duct

Question 6

14 cranial bones

mvm niplz

Answer 6

unpaired
-mandible
-vomer
paired
-maxillae 
-nasal 
-inferior nasal conchae 
-palatine
-lacrimal 
-zygomatic

Question 7

what forms the medial wall of the orbit

Answer 7

orbital plate

Question 8

what exits through the supraorbital foramen (notch) and what cranial bone is it in

Answer 8

terminal branch of V1 –> supraorbital N.

Question 9

squamous suture

Answer 9

between temporal and parietal

Question 10

which pair of bones forms the bridge of the nose

Answer 10

nasal bone

Question 11

lambdoid suture

Answer 11

between parietal and occipital

Question 12

coronal sutures

Answer 12

between frontal and parietal

Question 13

the perpendicular part of the ethmoid bone forms the

Answer 13

superior portion of the nasal septum

Question 14

orbital convergence
postorbital bar
shortening of face
flexion of face relative to basicranium

Answer 14

primate characteristics

Question 15

what is the passageway for the brainstem and numerous arteries and nerves (spinal accessory nerve)

Answer 15

foramen magnum

Question 16

which bone holds the superior orbital fissure

Answer 16

sphenoid bone

Question 17

what 7 bones make up the orbit

Answer 17

1. frontal bone (superior portion)
2. zygomatic bone (lateral and floor portion)
3. lacrimal bone (medial)
4. ethmoid bone (medial)
5. maxilla (medial and floor)
6. palatine bone (floor)
7. sphenoid bone (posterior/lateral wall) )

Question 18

8 cranial bones

Answer 18

paired
-temporal 
-parietal 
unpaired
-occipital 
-sphenoid 
-ethmoid
-frontal

Question 19

describe the venous drainage for the brain

Answer 19

superior (and inferior) sagital sinus–> transverse sinus–> sigmoid sinus—> jugular veins–>IVC

Question 20

what exits the foramen spinosum

Answer 20

middle meningeal artery

Question 21

what bones make the posterior hard palate

Answer 21

palatine and medial maxilla bone

Question 22

which artery is most superficial at the pterion and is at high risk for injury and bleeding

Answer 22

middle meningeal A.

where sphenoid meet frontal meet temporal

Question 23

the ethmoidal labyrinth forms the ___

Answer 23

superior and middle nasal conchae

Question 24

what are the parasinal sinuses

Answer 24

1. ethmoid
2. maxillary
3. sphenoid
4. frontal

*drain in to nasal cavity

Question 25

what parts of the palatine bone contribute to bigger picture stuff

Answer 25

orbital process- makes medial orbital floor perpendicular plate- makes lateral wall of nasal cavity horizontal plate- posterior portion of the hard palate

Question 26

what is a metopic suture

Answer 26

a sagital suture in the center of the frontal bone due to improper fusion of the frontal bone (usually occurs at 9 months) -persist suture is not significant but can appear as cranial bone fracture

Question 27

which bone makes the cribifrom plate

Answer 27

ethmoid bone | *cribiform foramina is passage for the olfactory nerve branches

Question 28

what bones make up the nasal complex

Answer 28

1. nasal bone (bridge) 2. lacrimal bone (nasolacrimal duct passage) 3. inferior nasal concha 4. ethmoid (superior and middle concha) 5. palatine (lateral wall of septum) 6. sphenoid ( superior wall of septum) 7. vomer (inferior wall of septum)

Question 29

what does the axial skeleton refer to

Answer 29

skull vertebra column thoracic cage

Question 30

the zygomatic process from the ___ bone joins the ____ to form the ___

Answer 30

from the temporal bone joins the zygomatic bone to make the zygmoatic arch

Question 31

what are the 2 parts of the vomer bone and what are their functions

Answer 31

1. ala -articulates with the sphenoid bone 2. vertical plate -forms lower part of nasal septum (perpendicular plate of ethmoid makes superior nasal septum)

Question 32

which bone unites the cranial and facial bones

Answer 32

sphenoid bone | *articulates with almost every bone in skull

Question 33

what is the largest paranasal sinus in the skull

Answer 33

maxillary sinus in the maxilla bone

Question 34

the petrous part of the temporal bone protects ___

Answer 34

protects the inner ear | *is the hard part of the bone

Question 35

t/f during vertebrate skull evolution the fenestrae enlarged and the cranial vault enlarged

Answer 35

true

Question 36

what is the attachment for the falx cerebri on the ethmoid bone

Answer 36

crista galli

Question 37

what bone holds the optic groove (for the optic chasm) and the sella turcica (for the pituitary )

Answer 37

sphenoid bone

Question 38

where is the groove for the sigmoid sinus

Answer 38

inside the temporal bone

Question 39

what helps the fetal skull to exit the birth canal

Answer 39

fontanelles (allow skull to bend through the birth canal) 1. anterior (largest and allows CSF to be extracted) 2. sphenoid 3. mastoid 4. posterior * MAPS to the outside

Question 40

what bone holds the teeth of the upper jaw in place

Answer 40

maxilla bone (alveolar process)

Question 41

what are the 3 types of maxillary fractures

Answer 41

* from a blow to the face - Le Fort 1: cracks alveolar process to knock off upper teeth - Le Fort 2: partially fractured through orbit and knocks off maxilla at the zygomatic maxillary suture - Le Fort 3: detaches upper portion of the face from the cranium

Question 42

the frontal crest is important bc

Answer 42

it is the attachment for the falx cerebri which is the protective connective tissue for the brain

Question 43

anterior protrusion of chin development of the mastoid process flexsion of the basicranium and retraction of the face forehead replacing supraorbital tori

Answer 43

modern human traits