Anatomy Col3 21 Skull, Dura Mater

Front 1

Cranial cavity - contents:

Back 1

- brain with meninges
- proximal part of cranial nerves
- blood vessels

Front 2

Brain meninges:

Back 2

cranial dura mater,
cranial arachnoid mater,
cranial pia mater

Front 3

Dura mater- inner layer adheres:

Back 3

in most places to outer layer -forms folds extending deeply between major brain divisions

Front 4

Folds of the inner layer of dura mater:

Back 4

falx cerebri - falx cerebelli - tentorium cerebelli - diaphragma sellae

Front 5

Folds - falx cerebri separating:

Back 5

cerebral hemispheres)

Front 6

Folds - falx cerebelli separating:

Back 6

cerebellar hemisperes

Front 7

Folds - tentorium cerebelli separating:

Back 7

cerebellum from cerebrum

Front 8

Sinus-Two layers of each fold diverge before joining with:

Back 8

endosteal layer + endothelial lining : the space – most dural venous sinus

Front 9

Major sinuses related to dural infoldings:

Back 9

superior sagittal sinus
- inferior sagittal sinus
- straight sinus
- occipital sinus
- left and righ transverse sinus
- left and right superior petrosal sinus

Front 10

Paired sinuses not related to dural infoldings:

Back 10

sigmoid sinus
- cavernous sinus
- inferior petrosal sinus
- sphenoparietal sinus

Front 11

Sinuses - Superior group:

Back 11

The superior saggital sinus
The inferior saggital sinus -
The straight sinus (sinus rectus) -
The occipital sinus
+”The confluence of sinuses”

Front 12

Sinuses - Inferior group:

Back 12

The superior petrosal sinus,
The inferior petrosal sinus and the
The cavernous sinuses.

The transverse sinuses
The sigmoid sinuses

Front 13

Cavernous sinus extends from:

Back 13

s.o.f to petrous part of temporal bone

Front 14

Cavernous sinus lies lateral to:

Back 14

the body of sphenoid and pituitary gland

Front 15

Cavernous sinus is connected with:

Back 15

the opposite one by intercavernous sinuses

Front 16

Cavernous sinus - receive blood from:

Back 16

superior and inferior ophthalmic veins
sphenoparietal sinuses, some cerebral veins

Front 17

Cavernous sinus - drain through:

Back 17

superior and inferior petrosal sinuses - emissary vein to the pterygoid plexuses

Front 18

Cavernous sinus which nerves and vessels run through:

Back 18

CN VI and internal carotid a. run through

Front 19

Cavernous sinus which nerves and vessels lie in the wall:

Back 19

CN III, CN IV, CN V1, CN V2

Front 20

Which meninges: is not supplied either by vessels or nerves:

Back 20

Arachnoid mater

Front 21

Arachnoid mater froms granulations – name and why?

Back 21

arachnoid granulations - through which CSF fluid reaches sinuses

Front 22

Meningeal spaces – space between skull bone and dura mater:

Back 22

POTENTIAL EPIDURAL SPACE

Front 23

Meningeal spaces – space between inner and outer layer of dura mater:

Back 23

DURAL VENOUS SINUSES

Front 24

Meningeal spaces – space between inner of dura matar and arachnoid mater:

Back 24

POTENTIAL SUBDURAL SPACE

Front 25

Meningeal spaces – space between arachnoid mater and pia mater:

Back 25

SUBARACHNOID SPACE filled by CSF fluid

Front 26

Arterial supply of the dura mater:

Back 26

meningeal arteries:,
- anterior meningeal a.
- middle meningeal a.
- posterior meingeal a

Front 27

anterior meningeal a comes from?

Back 27

anterior ethmoid a. ← ophthalmic a.

Front 28

middle meningeal a. comes from:

Back 28

maxillary a.

Front 29

posterior meingeal a. comes from:

Back 29

ascendens pharyngeal a.

Front 30

Nerve supply of the dura mater:

Back 30

meningeal branches of
- CN V1 -> cerebellar tentorium
- CN V2 -> anterior cranial fossa
- CN V3 -> middle cranial fossa
- CN X, SN C1-C2 -> posterior cranial fossa

Front 31

neurocranium is/do what:

Back 31

protection of the brain,house for the organs of the special senses

Front 32

facial cranium surrounds:

Back 32

openings of the digestive and respiratory tract

Front 33

Joints in skull are:

Back 33

almost all of them are solid (fibrous and cartilagineous joints)

Front 34

The only synovial type join in skull is:

Back 34

temporomandibular joint

Front 35

Neurocranium consists of:

Back 35

- calvaria – base

Front 36

paired Bones of the neurocranium:

Back 36

temporal, parietal

Front 37

unpaired Bones of the neurocranium:

Back 37

frontal, ethmoid, sphenoid, occipital

Front 38

Sutures of the calvaria:

Back 38

- coronal - sagittal – lambdoid

Front 39

Base of the cranial cavity is divided into fossae:

Back 39

- anterior - middle – posterior

Front 40

Anterior cranial fossa Bones:

Back 40

Fontal bone anteriorly, the ethmoid bone centrally, and the body and lesser wings of the
sphenoid posteriorly

Front 41

Anterior cranial fossa -Projections grooves and foramina:,

Back 41

Crista galli (← falx cerebri)
Cribriform plate (← CN I)

Front 42

Middle cranial fossa Bone boundaries:

Back 42

sphenoid, temporal (petrous part), parietal

Front 43

Middle cranial fossa -Projections grooves and foramina:

Back 43

,Sella turcica (for hypophysis)
Trigeminal impression (for ganglion)
Optic canal
Superior orbital fissure
Foramen rotundum
Foramen ovale,
Foramen spinosum,
Internal opening of the carotid canal,
Foramen lacerum

Front 44

Nervs and vessels of Superior orbital fissure:

Back 44

Ophthalmic veins; ophthalmic nerve
(CN V 1); CN III, IV, and VI;
and sympathetic fibers

Front 45

Nerves/vessel of Optic canal:

Back 45

,CN II, ophthalmic a.

Front 46

Nervs of Foramen rotundum:

Back 46

CN V2)

Front 47

Nervs of Foramen ovale:

Back 47

Mandibular nerve (CN V 3) and accessory meningeal artery

Front 48

Vessels of Foramen spinosum :

Back 48

Middle meningeal artery and vein and meningeal branch of CN V3

Front 49

Vessels of Internal opening of the carotid canal :

Back 49

internal carotid a.

Front 50

Posterior cranial fossa Bones:

Back 50

temporal and occipital

Front 51

Posterior cranial fossa - Projections grooves and foramina:,

Back 51

Groove for the sigmoid sinus
Groove for transverse sinus
Groove for occipital sinus
Mastoid foramen (for emissary vein)
Condylar canal (for emissary vein)
Foramen magnum
Internal acoustic meatus
Jugular foramen
Hypoglossal canal

Front 52

Nerves of Internal acoustic meatus :

Back 52

CN VII,
CN VIII

Front 53

Nerves/vessels of Jugular foramen:

Back 53

CN IX,
CN X,
CN XI,
internal jugular vein,
posterior meningeal a

Front 54

Nerves of Hypoglossal canal:

Back 54

CN XII

Front 55

CN I:

Back 55

olfactory

Front 56

CN II:

Back 56

optic

Front 57

CN III:

Back 57

oculomotor

Front 58

CN IV:

Back 58

trochlear

Front 59

CN V:

Back 59

trigeminal

Front 60

CN VI:

Back 60

abducens

Front 61

CN VII:

Back 61

facial

Front 62

CN VIII:

Back 62

vestibulocochlear

Front 63

CN IX:

Back 63

glossopharyngeal

Front 64

CN X:

Back 64

vagus

Front 65

CN XI:

Back 65

accessory

Front 66

CN XII:

Back 66

hypoglossal

Front 67

greater palatine foramen contains:

Back 67

greater palatine nerve & vessels

Front 68

lesser palatine foramina contains:

Back 68

lesser palatine nerves & vessels

Front 69

foramen rotundum contains:

Back 69

maxillary division of trigeminal nerve

Front 70

foramen ovale contains:

Back 70

Mandibular nerve (CN V3) and accessory meningeal artery

Front 71

foramen spinosum contains:

Back 71

middle meningeal artery

Front 72

foramen lacerum - closed by:

Back 72

a plate of cartilage pierced by major petrosal nerve

Front 73

carotid canal contains:

Back 73

internal carotid artery & sympathetic nerves (carotid plexus)

Front 74

jugular foramen contains:

Back 74

CN IX, X, and XI;
superior bulb of internal jugular vein;
inferior
petrosal and sigmoid sinuses;
and meningeal branches of
ascending pharyngeal and occipital arteries

Front 75

hypoglossal canal contains:

Back 75

hypoglossal nerve

Front 76

foramen magnum contains:

Back 76

spinal cord,
spinal roots of accessory nerve,
vertebral arteries,
venous plexus of vertebral canal,
anterior & posterior spinal arteries

Front 77

condyloid foramen contains:

Back 77

condyloid emissary vein

Front 78

mastoid foramen contains:

Back 78

mastoid emissary vein

Front 79

petrotympanic fissue contains:

Back 79

chorda tympani

Front 80

stylomastoid foramen contains:

Back 80

facial nerve

Front 81

Pure or predominantely motor nerves:

Back 81

- CN III (oculomotorius)
- CN IV (trochlear)
- CN VI (abducens)
- CN XII (hypoglossal)

Front 82

Nerves of the branchial arches (mixed):

Back 82

- CN V (trigeminal) – mostly sensory
- CN VII (facial) – mostly motor
- CN IX (glossopharyngeal)
- CN X (vagus)
- CN XI (accessory)

Front 83

temporal bone: parts:

Back 83

squamous part,
petrous part,
mastoid part,
tympanic part

Front 84

occipital bone: parts:

Back 84

squamous part,
basilar part,
two lateral condylar parts

Front 85

sphenoid bone parts:

Back 85

body,
greater and lesser wings,
pterygoid precess

Front 86

ethmoid bone parts:

Back 86

cribriform plate,
perpendicular plate
& two masses enclosing ethmoid air cells

Front 87

SKULL – how many bones:

Back 87

8 cranial bones (neurocranium) & 14 facial bones (facial skeleton)

Front 88

Skull =?

Back 88

skeleton of the head

Front 89

Cranium =?

Back 89

skull (excluding mandible)

Front 90

neurocranium do what:

Back 90

protection of the brain + house for the organs of the special senses

Front 91

facial cranium do what:

Back 91

surrounds openings of the digestive and respiratory tract

Front 92

Skin and bone between eyebrows:

Back 92

glabella – part of frontal bone

Front 93

circular fold of dura mater that almost completely roofs sella turcica:

Back 93

sellar diaphragm

Front 94

pyramid is made of which bone:

Back 94

The petrous portion of the temporal bone

Front 95

Anterior border of sella turcica:

Back 95

right and left Middle clinoid process

Front 96

Posterior border of sella turcica:

Back 96

Dorsum sellae with right and left Posterior clinoid processes

Front 97

Pituitary gland is located in which structure:

Back 97

sella turcica

Front 98

lateral surface of NEUROCRANIUM is made by:

Back 98

infratemporal fossa & temporal fossa
(zygomatic process of thenfrontal bone &
the frontal process of zygomatic bone,
temporal line,
zygomatic arch)

Front 99

anterior surface of NEUROCRANIUM is made by:

Back 99

frontal bone with glabella

Front 100

posterior surface of NEUROCRANIUM is made by:

Back 100

ccipital bone with external occipital protuberance and crest

Front 101

inferior surface (base of the skull) of NEUROCRANIUM is made by (no foramen):

Back 101

palatine process of maxilla;
medial & lateral pterygoid plate,
pterygoid hamulus,
pharyngeal tubercle,
styloid process,
occipital condyle,
mastoid process,
groove for occipital artery

Front 102

foramen cecum where + what go in it?

Back 102

Anterior cranial fossa
- small emissary vein from nasal mucosa to superior sagittal sinus

Front 103

feature on an infant's skull comprising any of the soft membranous gaps between the incompletely formed cranial bones:

Back 103

Fontanelle

Front 104

Nerves/vessels of Foramen magnum:,

Back 104

brainstem/spinal cord, vertebral aa., CN XI

Front 105

Dura mater name of layers + adheres where

Back 105

•outer layer, endosteal
•inner layer, meningeal

Inner adheres in most places to outer layer

Front 106

Dura mater name of layers + adheres where

Back 106

•outer layer, endosteal
•inner layer, meningeal

Inner adheres in most places to outer layer

Front 107

The sella turcica is composed of three parts:

Back 107

The tuberculum sellae
The hypophysial fossa (pituitary fossa)
The dorsum sellae

Front 108

The boundary between the middle and the posterior cranial fossae is formed by

Back 108

the superior border of the petrous part of the temporal bones(petrous ridge) laterally

and the dorsum sellae of the sphenoid medially

Front 109

four foramina perforate the roots of the greater wings of the
sphenoid

Back 109

Superior orbital fissure
Foramen rotundum
Foramen ovale
Foramen spinosum

Front 110

The posterior cranial fossa, the largest and deepest of the cranial fossae, contains:

Back 110

the cerebellum, pons, and medulla oblongata

Front 111

Which dura layer is continuous at the foramen magnum with the dura covering the
spinal cord.

Back 111

Internal meningeal layer,

Front 112

dural infoldings is made how:,

Back 112

The internal meningeal layer of the dura reflects away from the external periost eal layer of the dura

Front 113

Largets meningeal a?

Back 113

middle meningeal