meninges

Question 1

outward in order of meninges

Answer 1

dura mater, arachnoid mater, pia mater

Question 2

what is adherent ot the arachnoid mater

Answer 2

dura mater

Question 3

usually no subdural space but there is a space between dura mater and arachnoid mater if there is

Answer 3

bleeding

Question 4

subarachnoid space is between what and filled with

Answer 4

between arachnoid and pia mater

fileld with cerebrospinal fluid

Question 5

where find cisterna magna

Answer 5

cistern between cerebellum and brainstem

Question 6

what is csf

Answer 6

ultrafiltrate of blood

Question 7

where csf come from

Answer 7

chroid plexus in ventricles

Question 8

the csf goes to () space and then reenters the blood via the ()

Answer 8

subarachnoid space

arachnoid granulations/vili

Question 9

where find arachnoid granulations

Answer 9

project into superior sagittal sinus

Question 10

which is a very thin, highly vascularized membrane made of loose ct

Answer 10

pia mater

Question 11

what does the pia mater dip into

Answer 11

sulci and fissues of brain (carrying blood vessels in it)

Question 12

where do cerebral veins run on

Answer 12

on the pia within the subarachnoid space

Question 13

what do the cerebral veins form

Answer 13

the tela choroidea

Question 14

what does the tela choroidea becomes when it fuses with ependyma

Answer 14

choroid plexu

Question 15

what are gyrus

Answer 15

convoluted elevation of the brain cortical tissue

Question 16

which meninge layer is a delicate transparent membrane composed of web-like tissue

Answer 16

arachnoid mater

Question 17

the arachnoid goes over the () not in it

Answer 17

sulci/fissures

Question 18

what separates the dura mater and the arachnoid mater

Answer 18

subdural space

Question 19

what separates the arachnoid and pia matter

Answer 19

subarachnoid space

Question 20

what does the subarachnoid space contain

Answer 20

csf

Question 21

what are cisterns

Answer 21

dilated portions of subarachnoid space

Question 22

what are arachnoid villi

Answer 22

tufted prolongations of pia-arachnoid which protrude through the meningeal layer of the dura mater

Question 23

cisterns in spinal cord is found where

Answer 23

lumbar cistern where dilation of subarachnoid space so get csf collection for spinal tap

Question 24

collections of arachnoid vili form

Answer 24

arachnoid granulations

Question 25

where do you find the arachnoid granulations

Answer 25

margin of superior sagittal sinus

Question 26

the spongy tissue of the vilus contain tubules that serve as

Answer 26

one-way valves for transfer of csf from subarachnoid space to the venous system

Question 27

what are the majore site of fluid transfer

Answer 27

vili and granulations

Question 28

what is the outermost and tough covering of cns

Answer 28

dura mater

Question 29

what does the dura mater consist of

Answer 29

connective tissue

Question 30

what is the dura mater describes as

Answer 30

two layers membrane

Question 31

what is the dura mater 2 layers membrane made up of

Answer 31

``` periosteal layer meningeal layer (fuse at some parts) ```

Question 32

what does the meningeal layer form

Answer 32

dural sheaths/epineureiums of the cranial nerves

Question 33

the dura mater forms four inwardlay projectiong septa or folds called

Answer 33

dural septa

Question 34

what are the dural sinuses

Answer 34

venous channels between the meningeal and periosteal layers of dura mater

Question 35

where is falx cerebri

Answer 35

between two cerebral hemispheres

Question 36

tentorium cerebelli

Answer 36

occipital lobe from the cerebellum

Question 37

falx cerebelli

Answer 37

between two cerebellar hemispheres

Question 38

diaphragm sellae

Answer 38

roof over sella turcica

Question 39

what is dural septa

Answer 39

inward extensions of dura matter

Question 40

function of dural septa

Answer 40

keeps brain in place, supports ti so prevent movement

Question 41

attachment of falx cerebri

Answer 41

anteriorly: christa galli and fromtal crest posteriorly: iop

Question 42

attachment of tentorium cerbelli

Answer 42

anteriorly: crest of petrous portion of temporal bone posteriorly: groove of transver sinus

Question 43

attachments of falx cerebelli

Answer 43

iop to foramen magnum along internal occipital crest

Question 44

what septa has a central opening for the pituitary infundibulum/stalk

Answer 44

diaphragm sellae

Question 45

superior sagittal sinus is located along

Answer 45

superior convex margin of falx cerebri

Question 46

inferior saggital sinus is where

Answer 46

inferior border of falx cerebri

Question 47

straight sinus is where

Answer 47

line of attachment of falx cerebri to the tentorium cerebelli

Question 48

what joins the inferior saggital sinus to become the straight

Answer 48

great cerebreal vein/ great cerebreal of galen

Question 49

transverse sinus occupies

Answer 49

posterior margin of tentorium cerebelli

Question 50

sigmoid sinus grooves the () part of temporal bone

Answer 50

mastoid

Question 51

sigmoid sinus begins as continuation of

Answer 51

transverse sinus

Question 52

sigmoid sinus is continuous with the

Answer 52

bulb of internal jugular vein at jugular foramen

Question 53

occipital sinus communicates with () and ()

Answer 53

internal vertebral venous plexus and confluence

Question 54

smallest dural sinus

Answer 54

occipital

Question 55

where is confluence of sinueses

Answer 55

internal occipital protuberance

Question 56

what make upt he confluence of sinuses

Answer 56

superior sagittal, straight, transverse, occipital

Question 57

superior petrosal sinus runs along

Answer 57

superior edge of petrous portion of temporal bone

Question 58

inferior petrosal sinus drains the () directly into () vein

Answer 58

cavernous sinus , internal jugular

Question 59

what does the inferior petrosal sinus receive

Answer 59

cerebellar, labryrinthine veins

Question 60

sphenopareital sinus runs along margin of ()

Answer 60

lesser wing of sphenoid bone

Question 61

superior petrosal sinus provides a connecteion between the () and () sinus

Answer 61

cavernous and transeverse

Question 62

the inferior petrosal sinus connexts what

Answer 62

cavernous sinus and internal jugular vein

Question 63

cavernous sinus lactedon

Answer 63

sides of sella turcica nad body of sphenoid bone

Question 64

what passes through the cavernous sinus

Answer 64

ICA, abducent nerve

Question 65

what is found on lateral wall of cavernous sinus

Answer 65

cranial nerve 3, 4, V1 V2

Question 66

basilar sinus consists of

Answer 66

interconnecting venous channels on the clivus

Question 67

basilar sinus connects 2 () and communicates with()

Answer 67

2 inferior petrosal sinuses com: internal vertebral venous plexus

Question 68

if rupture ICA get high pressure and edema behind eye which causes

Answer 68

pulsating exopthalamus UNILATERALLY

Question 69

arteries of dura mater 3

Answer 69

anterior meningeal artery, middle meningeal artery, posterior meningeal artery

Question 70

anterior meningeal a is branch of

Answer 70

anterior ethmoidal a

Question 71

middle mening a branch of

Answer 71

maxillary a.

Question 72

what is the main blood source of dura mater

Answer 72

middle meningeal a

Question 73

middle mening enters the cranium though ()

Answer 73

foramen spinosum

Question 74

posterior meningeal a is branch of

Answer 74

ascending pharyngeal, occipital, vertebral a

Question 75

middle meningeal veins exit through

Answer 75

foramen ovale and spinosum

Question 76

midd men v exits and joins teh

Answer 76

pterygoid plexus of veins

Question 77

the pterygo plexus becomes () vein

Answer 77

maxillary vein

Question 78

the maxillary vein joins the () to become the retromandibular v

Answer 78

temporal

Question 79

the anterior and posterior meningeal veins empty primarily into

Answer 79

dural sinuses of anterior and posterior cranial fossa

Question 80

emissary veins connect the intracranial venous sinuses with () veins

Answer 80

extracranial

Question 81

true or false dura mater is sensitive to pain

Answer 81

TRUE

Question 82

why lay down after spinal tap

Answer 82

brain dural sinuses sag and cause spinal headave

Question 83

sensory supply to dura mater

Answer 83

trigeminal nerve , c1,c2, c3

Question 84

sensory supply og anterior cranial fossa of dura

Answer 84

v1,2,3

Question 85

supply floor of middle cranial fossa

Answer 85

meningeal branches of v2, v3 (follows middle meningeal a)

Question 86

tentorium cerebelli and posterior falx cerebri supplied by

Answer 86

tentorial branch of v1

Question 87

anterior part of falx cerebri supplied by

Answer 87

anterior meningeal branch of v1

Question 88

the c1-3 of senseorysupply to dura tranves through

Answer 88

vagus and hypoglassal nerves

Question 89

c1-3 supplys dura of the ()

Answer 89

floor of posterior cranial fossa