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T2 - GA 2 Midterm 2 > Cranial Meninges > Flashcards

Cranial Meninges Flashcards

* = bolded words or highlighted pts by hiim

1
Q

*What are the layers of the meninges surrounding the brain and SC

A

Dura Mater
Arachnoid mater
Pia mater

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2
Q

*_____ dura is adherent to the arachnoid mater

A

cranial dura

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3
Q

The space btw the dura and arachnoid mater occurs only if there is ______

A

bleeding

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4
Q

c.c. There is only a ______ space when there is bleeding in the cranial region

A

SUBDURAL space

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5
Q
  • The ______ space is the space btw the arachnod and pia mater
A

subarachnoid space

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6
Q
  • ____________ space is filled with CSF
A

subarachnoid space

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7
Q

CSF returns to blood via _____

A

arachnoid granulations

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8
Q

The arachnoid granulosus projects into the _____

A

superior sagittal sinus

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9
Q

______ is the dilated area of subarachnoid space btw cerebrellum and the brain stem

A

cisternal magnum

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10
Q

What two layers make up the Dura Mater in the cranial region

A

periosteal layer- against bone

meningeal layer - against arachnoid mater

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11
Q

______ layer of the dura mater comes into contact with the arachnoid mater

A

meningeal layer

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12
Q

Is the Pia mater avascular/ vascular?

A

vascular

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13
Q

_______ mater dips into the sulci and fissures of the brain

A

pia mater

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14
Q

What is on the anterior surface of the head?

A

FACE!!!

hahah got ya!

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15
Q

_____ veins run on the pia mater within the subarachnoid space

A

cerebral veins

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16
Q

cerebral veins run within the _____ space

A

subarachnoid space

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17
Q

Where is CSF produced

A

choroid plexus

located in the ventricles

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18
Q

Cerebral veins form the _______ that fuses with ependyma to form the ______

A

veins form- tela choroidea

forms- choroid plexuses

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19
Q

_____: the thin epithelial membrane lining the ventricular system of the brain and the spinal cord.

A

ependyma

type of neuroglia

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20
Q
  • ____mater passes over the sulci
A

arachnoid

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21
Q

_____ space contains CSF

A

subarachnoid space

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22
Q
  • The subarachnoid space has dilated portions called _____
A

cisterns

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23
Q
  • Collections of ______ form arachnoid granulations
A

arachnoid villi

prolongations of pia-arachnoid

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24
Q

_____: a term used to refer to the pia mater and arachnoid mater

A

leptomeninges

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25
Q

_____layer of the dura mater form dural sheaths of the cranial nerves

A

meningeal layer

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26
Q

_______ become the epineurium of the CN

A

dural sheaths

formed by the meningeal layer of the dura mater

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27
Q

_____ form inward projecting septa called dural septa

A

dura mater

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28
Q

____ are venous channels btw the meningeal and periosteal layers

A

dural sinuses

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29
Q
  • dural sinuses are found btw the ____& ___ layers
A

meiningeal layer
periosteal layer

(of the dura mater)

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30
Q

c.c Epidural hematoma if the ______ breaks

A

pterion

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31
Q

c.c. What artery if affected if the pterion breaks

A

middle meningeal artery

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32
Q

c.c. What area is affected if there is a epidural hemotoma of the middle meningeal artery (on Left side)

A

Brocca’s area = affects speech

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33
Q

c.c______ space is effected if there is hemorrhage that separates the dura mater from the bone

A

cranial extradural space

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34
Q

In the spinal dura mater there is only the ______ layer

A

meningeal layer

no periosteum layer

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35
Q

two branches of the middle meningeal artery

A

frontal artery

parietal artery

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36
Q

_____ are inward extensions of the dura mater

A

dural septa

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37
Q

name 4 dural septa

A

falx cerebri
tentorium cerebelli
falx cerebelli
diaphragm sellae

38
Q

______ is the dural septa that is located in the longitudinal fissure. It separates the two cerebral hemispheres

A

falx cerebri

39
Q

flaxi cerebri is located in the _____ fissure. It separates the _____ hemispheres

A

longitudinal fissures

separates cerebral hemispheres

40
Q

____: is the dural septa that separates the occipital lobe from the cerebrellum

A

tentorium cerebelli

41
Q

the tentorium cerebelli separates the ______ lobe from the ___

A

occipital lobe from the cerebrellum

aka cerebrum and cerebellum

42
Q

______ is a medial dural fold btw the two cerebellar hemispheres

A

falx cerebelli

43
Q

falx cerebelli separates the two _____ hemispheres

A

cerebellar hemispheres

44
Q

_____: is the dural septa that forms a roof over the sella turcica

A

diaphragm sellae

45
Q

fxn of the dural septa

A

prevents lateral displacement of the brain

46
Q

Falx cerebri attachments

A

ant- crista galli & frontal crest

Post- IOP

47
Q

falx cerebelli boney attachments

A

IOP along the int. occipital crest

  • foramen magnum
48
Q

Diaphragma sellae boney attachments

A

clinoid process of the sella turcia

49
Q

Where is the pituitary gland houses

A

sella tursica

50
Q

through what dura septa is the opening for the infadibullium to pass through

A

diaphragma sellae

51
Q

The infadibulla is the connection btw which two structures

A

hypothalmus & pituitary gland

52
Q

_____: a spacialized venous channel that is formed btw the 2 layers of the dura

A

dural sinuses

53
Q

___ sinus is located along the superior convex margin of falx cerebri

A

superior sagittal sinus

54
Q

_____ sinus is located along the inferir free boarder of falx cerebri

A

inferior sagittal sinus

55
Q

____ sinus is located at the line of the falx cerebri and the tentorium cerebelli

A

straight sinus

56
Q

_____sinus: occupies the attached margin of the tentorium

A

transverse sinus

57
Q

___sinus: grooves the mastoid part of the temporal bone. It begins at the conti of the trasnverse sinus

A

sigmoid sinuse

58
Q

The sigmoid sinus comes from the transverse singus and drains into the ____

A

IJV

@ the jugular foramen

59
Q

_____ sinus : communicates with the internal vertebral venous plexus and confluence

A

occipital sinus

60
Q

Which sinuses meet at the confluence sinuses

A

T: transverse
O: occipital
S: superior sagittal
S: straight

61
Q

_____ sinus is located at the IOP

A

confluence

62
Q

___sinus: runs along the superior edge of the petrous portion of the temporal bone

A

superior petrosal sinus

63
Q

superior petrosal sinus runs along what bone

A

temporal

64
Q

_______ sinus: drains the cavernous sinus into the IJV

A

inferior petrosal sinus

receives cerebellar & labyrinthine

65
Q

____sinus runs along the margin of the lesser wing of the sphenoid

A

sphenopartietal sinus

66
Q

_____sinus : located on each side of the sella turcia

A

cavernous sinuses

67
Q

What structures pass through the cavernous sinus

A

ICA

CN: 3,4,5 (V1,V2), 6

(oculomotor, trochlear, opthalmic, maxillary, abducens)

68
Q

___sinus is located on the clivus

A

basilar sinus

69
Q

basilar sinus connects the two _____ sinus and communicates with ____ plexus

A

inferior petrosal sinuses

internal vertebral venous plexus

70
Q

cc an anurism of the ICA is going to cause high pressure on the arteries and veins in the cavernous sinus . This will then cause pressure on the _____N

A

opthalmic N

71
Q

anterior meningeal artery is a branch of ____ artery

A

anterior ethmoidal artery

72
Q

middle miningeal artery is a branch of the ____ artery

A

maxilary artery

73
Q

The middle meningeal artery enters the cranial cavity throgh the _____foramen

A

spinosum

74
Q

Posterior meingeal arteries are branches of which 3 arteries

A

ascending pharyngeal
occipital ( through mastoid branch)
vertebral

75
Q

Middle meningeal vein exits through what foramen

A

foramen ovale and spinosum

76
Q

The middle meningeal vein joins with the ____ plexus

A

pterygoid plexus

77
Q

Anterior and posterior meningeal veins drain into ____

A

dural sinuses of the anterior and posterior cranium

78
Q

The dura mater is sensitive to ____

A

pain

sensitive to stretch of the meninges = HA

79
Q

Where are stretch receptors more abundant?

A

near the arteries and veins

80
Q

cc ______: when CSF is drained during a spinal tap pressure is put on the dural sinuses and causes them to sag

A

spinal HA

81
Q

What CN supplies sensory to the meninges

A

Trigeminal

82
Q

What root level nerves supply the meninges

A

C1,C2,C3

83
Q

What CN nerves supply sensory to the anterior cranial fossa

A

V1,V2,V3

84
Q

What CN supplies sensory to the floor of the middle cranial fossa

A

V2,V3

85
Q

The tentorial branch of V1 supplies what structures

A

tentorium cerebell and posterior part of the falx cerebri

86
Q

What nerve gives off the tentorial N branch

A

V1: opthalmic

87
Q

What N gives off the anterior meningeal branch?

A

V1: opthalmic

88
Q

What does the anterior meningeal branch of V1 supply?

A

anterior portion of the falx cerebri

89
Q

Nerve roots that supply the posterior cranial fossa

A

C1,2,3

run through the hypoglossa and vagus nerves

90
Q

What nerves carry C1-3 N for the posterior cranial Fossa

A

hypoglossal

vagus

T2 - GA 2 Midterm 2 (6 decks)

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