cranium lecture

Question 1

Answer 1

31-incisal foramen 
52-median palatal suture 
53-transverse palatal suture 
24-palatal bone 
32-major palatal foramen 
17-vomer 
25-sphenoid 
34-foramen ovale 
36-foramen lacerum
26-occipital condyles 
35-foramen spinosum
27-styloid process
29-articular process 
37-carotid canal
39-stylomastoid foramen

Question 2

Answer 2

6-pterion region/ala magna 
4-temporal
45-sqaumous suture 
44-paretomastod suture 
42-occipitomastod suture 
38-mastoid foramen 
5-mastoid process
21-mandible angle 
22-mental foramen
7- zygomatic
48-zygomaticfrontal suture 
14-lacrimal 
50-frontomaxilla suture 
ext auditory canal also present

Question 3

Answer 3

58-crita galli 
59-cribiform plate 
54-anterior cranial fossa 
68-foramne rotundum 
62-sella turcica 
61-ala magna 
69-int acoustic meatus 
55-middle cranial fossa 
65-occipital protuberence 
66-optic canal 
60-ala pava

Question 4

Answer 4

62-sella turcica 
67-sup orbital fissure 
68-foramen rotundum 
69-int acoustic canal 
55-middle cranial fossa 
66-optic canal 
60-ala pava 
64-temporal bone

Question 5

neuro/viscerocranium

Answer 5

neuroncranium-contains brain, meninges and membranous coverings
viscerocranium- facial and oral cavity region, contains nerves and sensory organs

Question 6

bones making the zygomatic arch

Answer 6

maxilla, zygomatic and temporal

Question 7

inf nasal concha part of? what contains the nasal concha

Answer 7

nothing, is it’s own bone, other concha part of the ethmoid bone

Question 8

foramen line up from anterior view

Answer 8

supraorbital, infraorbital and mental foramen all line up

Question 9

portions of the mandible

Answer 9

Question 10

between the styloid and mastoid porcesses?

Answer 10

stylomastoid foramen

Question 11

pterion

Answer 11

at the junction of the GW of shpenoid, squamous temporal, frontal and parietal bones
flat area=weakened
mid marginal Aa located hear>fracture can lead to life threatening hematoma

Question 12

lambda

Answer 12

junction of lamboid and saggital sutures

Question 13

bregma

Answer 13

junction of coronal and saggital sutures

Question 14

vertex

Answer 14

the superior part of the neurocranium orientated in the middle with the Frankfort plane

Question 15

asterion

Answer 15

star shaped junction of parietomastoid, occipitalmastod and lamboid sutures

Question 16

glabella

Answer 16

smooth promenece of frontal bone superior to the root of the nose, most anterior portion of the forehead

Question 17

inion

Answer 17

most prominent portion of the ext occipital protuberence

Question 18

nasion

Answer 18

where frontalnaslal and internasal sutures meet

Question 19

temporal bone and hearing

Answer 19

contains the apparatus for hearing- 3 bones: maleus, incus, stapes

Question 20

sigmoid sinus

Answer 20

part of the venous system of the cranium, will drain to larger jugular foramen

Question 21

choana

Answer 21

paired openings for the nasal cavity, not an actual bony structure

Question 22

anterior cranial fossa components

Answer 22

frontal bone, ethmoid bone, LW and body of sphenoid

Question 23

middle cranial fossa components

Answer 23

GW of sphenoid, temporal

Question 24

posterior cranial fossa components

Answer 24

mostly occipital, some from the temporal