Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Ana 203 Part B > Meninges And Dural Venous Sinus > Flashcards

Meninges And Dural Venous Sinus Flashcards

1
Q

DURA MATTER –aka _____

LEPTOMENINGES=____ +___

A

PACHYMENINX

arachnoid

pia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

DURA

  • At the foramen magnum, the endosteal layer of the dura matter ——-continuous with the—— of——-.
  • Around margins of all—— of the——,it becomes continuous with the——-
A

does not become ; dura; spinal cord.

foramina; skull

periosteum on the outside of the skull.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Dura matter

dense or thin?
strong or weak?
fibrous or serous?

A

Dense
Strong
Fibrous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Dura matter has 2 layers
List them

And they are Closely united except along certain lines, where they separate to form——

A

Endosteal layer;Meningeal layer

venous sinuses.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

MENINGEAL LAYER
- Infolds to give—— septae
List them

-the septaes restrict ——of brain associated with acceleration & deceleration, when——

A

4

  • FALX CEREBRI
  • TENTORIUM CEREBELLI
  • FALX CEREBELLI
  • DIAPHRAGMA SELLA

displacement ; head is moved

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

FALX CEREBRI

  • aka the——
  • Occupies the ——between——
  • _____in its upper fixed margin.
  • Inferior sagittal sinus in its——-
  • ____sinus runs along its attachment to——
A

sickle

longitudinal fissure ; cerebral hemispheres.

Superior sagittal runs

lower concave free margin.

Straight; tentorium cerebelli.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Tentorium Cerebelli

  • aka the——
  • Covers the——- surface of——.
  • Supports—— lobes of cerebral hemispheres.
  • The opening accommodates the——-.
  • ____passes thru the tentorial notch.
A

tent

superior; cerebellum

occipital

brainstem

Midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Falx Cerebelli

  • A small—— septum below the——.
  • Partially separates———
A

midsagittal; tentorium

cerebellar hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Diaphragma Sella
-Roofs over the——- fossa.
•Perforated by the—— of the——

A

pituitary

infundibulum; pituitary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

BLOOD SUPPLY of the meninges
———
———-
———-

A

MID. MENINGEAL

  • ANT. MENINGEAL
  • POST. MENINGEAL
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

ARACHNOID is a delicate network

T/F

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ARACHNOID

  • Separated from dura by a ——filled by a——
  • Separated from pia by—— space, filled with——.
  • Outer & inner surfaces covered with——- cells.
A

potential space – the subdural space; film of fluid.

subaracnoid; CSF; flattened mesothelial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In certain situations, arachnoid & pia widely separated to form___-

List them

——,——-,—— &—— sinuses.

A

cisternae

cisterna cerebellomedullaris

cisterna interpeduncularis

pontine; chiasmatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In some areas, arachnoid matter project into____- and are called —— and are most numerous along ——sinus.
-Aggregations of it is called ——–

A

venous sinuses

Arachnoid villi

Superior sagittal

arachnoid granulations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

PIA matter

soft or hard
thin or dense
delicate or tough

A

Soft
Thin
Delicate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

List the 2 layers of the pia matter

A

Epipial

Intima pia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

EPIPIAL layer of pia matter

-_____FIBERS; ABSENT ON———

A

COLLAGENOUS

CONVEXITY OF BRAIN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

INTIMA PIA

-INNER MEMBRANOUS LAYER; MADE OF——- &——- FIBERS.

A

RETICULAR; ELASTIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

—— layer of the pia matter follows brain contour

A

Intima pia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Intima pia

Vascular of AVASCULAR?

A

AVASCULAR; PERIVASCULAR SPACE;

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

CEREBRAL VESSELS LIE ON SURFACE OF——- WITHIN—— SPACE

A

INTIMA pia; SUBARACHNOID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which meninges are vascular?

A

Pia matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

INTRACRANIAL VENOUS SINUSES

  • The dural venous sinuses situated b/w———
  • Receive blood from brain thru——
  • Receive CSF from——- space thru——
  • Sinuses draining superiorly & posteriorly converge near the ———to form the——
  • Lined by—-.
  • Walls are —— but——-.
  • Emissary veins connect sinuses with——
A

the layers of dural mater.

cerebral veins.

subarachnoid; arachnoid villi.

internal occipital protruberance ; confluence of sinuses.

endothelium

thick; lack muscular tissue

diploic veins & veins of scalp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

DURAL venous sinuse have few valves

T/F

A

F. No valves.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

DURAL VENOUS SINUSES

List 9😬

A
  • Superior sagittal sinus
  • Inferior sagittal sinus
  • Straight sinus
  • Transverse sinus
  • Sigmoid sinus
  • Occipital sinus
  • Cavernous sinus
  • Superior petrosal sinus
  • Inferior petrosal sinus
26
Q

Subdural hemorrhage- results from tearing of ——-veins where they enter the——.

Epidural/Extradural hemorrhage- from injuries to—— .___ division of it is commonly damaged.

A

superior cerebral ; SSS

meningeal arteries and veins.

Anterior

27
Q

Which is more common.

Subdural hemorrhage or middle meningeal bleeding.?

A

Subdural hemorrhage

28
Q

Subarachnoid hemorrhage- usually results from rupture of—— on——

A

congenital aneurysm

circle of Willis

29
Q

VENRICULAR SYSTEM
-cavities inside the Brain containing —-

  • lateral ventricles in——
  • 3rd ventricle in ——-
  • 4th ventricle in——-
A

CSF

cerebral hemispheres

diencephalon

rhombocephalon

30
Q

Lateral Ventricle
-One in each cerebral hemisphere that are Linked by ——-of——.

Essentially has a—— part & 3 extensions-horns:——-

A

interventricular foramen ; Munro

central; Anterior horn;Posterior horn;Inferior horn

31
Q

ANTERIOR HORN OF LAT. VENTRICLE
-___to interventricular foramen.

  • Extends to____ lobe.
  • Roof & rostral wall formed by—-
  • Medial wall is the——
  • Lateral wall formed by—- of——
A

Rostral; frontal

c/callosum.

septum pellucidum

head; caudate nucleus.

32
Q

CENTAL PART OF LATERAL VENTRCLE

  • ___ shape in cross-section.
  • Roof—— of——-
  • Medial wall-___,____
  • Floor -_____,_____, —— ——alis,—- vein.
A

Triangular

Trunk; corpus callosum.

Septum pellucidum; body of fornix

Superior surface of thalamus

caudate nucleus; striae termin; thalamostriate

33
Q

Inferior HORNOF LAT. VENTRICLE

  • RUNS FORWARDS & DOWNWARDS INTO____ LOBE
  • Has a roof & floor
  • ROOF- Inf surface of tapetum of____ & tail of____
  • FLOOR- Laterally by——/ & medially by____
A

TEMPORAL

corpus callosum; caudate nucleus.

collateral eminence ;hippocampus

34
Q

Functions of CSF
——-
——-
-Metabolic exchange of——- &——-.

A

Buoyancy

Protection

nutrition

excretion

35
Q

Production of CSF
Formed mainly in the ___of the lateral, 3rd & 4th ventricles
-some from—— cells & brain substance thru ——spaces.

A

choroid plexuses

ependyma; perivascular

36
Q

—% of CSF is produced by choroid plexus

-___% thru metabolism;___% by capillaries.

A

70

12

18

37
Q

In adults, the total volume of CSF in all the spaces combined is normally about—— mL.
But about—- to—- mL of CSF is produced and reabsorbed daily

A

150

400; 500

38
Q

CSF From lateral ventricles into—— thru———

  • Goes into—— thru——
  • Then CSF escapes thru the median aperture (——) & lateral foramina of the lateral recesses of the 4th ventricle (——-) & enters the——
A

3rd ventricle; interventricular foramina of Munro.

4th ventricle; cerebral aqueduct of Sylvius.

foramen of Magendie; foramina of Luschka

subarachnoid space.

39
Q

Fluid from subarachnoid space moves thru——

  • then Flows upwards thru the ——-of tentorium cerebelli to get to the—— surface of the——.
  • Then to—— aspect of the cerebral hemispheres & subarachnoid space surrounding the——
  • The main sites for absorption of CSF are the——-
A

cerebellomedullary & pontine cisterns

tentorial notch ; inferior; cerebrum

lateral; spinal cord.

arachnoid villi

40
Q

Papilloedema.:—— swelling that is secondary to——-.

A

optic disc; elevated intracranial pressure

41
Q

Lumbar puncure.: aka——


A

spinal tap

42
Q

Cisternal puncture:—— puncture can be performed in order to collect a sample of cerebrospinal fluid (CSF) for analysis, or rarely to——

A

suboccipital

relieve increased intracranial pressure.

43
Q

In acute papilledema, vision is well preserved

T/F

A

T

44
Q

Hydocephalus.: is the ————within the brain 


A

build-up of fluid in the cavities deep

45
Q

Queckenstedt’s sign.: test formerly used to diagnose———, in which a lumbar puncture is performed and the ——-measured, followed by manual compression of both—- ,causing a rise in intracranial pressure.

A

lumbar spinal stenosis; opening pressure

jugular veins

46
Q

Ependymomas.: Ependymomas are——- tumors that grow in your—- or———, including your neck and upper and lower back. They form at first in your—— cells in the ——-and in the—— of the brain

A

cancerous

brain

any part of the spine

ependymal

middle of your spinal cord

ventricles

47
Q

BBB and drugs.: BBB prevents —-The presence of the BBB makes difficult the——-

A

entry into the brain of most drugs from the blood.

development of new treatments of brain diseases, or new radiopharmaceuticals for neuroimaging of brain

48
Q

BBB in newborn.: Since the blood-brain barrier is——- at birth, the risk of toxicity from exposure to some chemicals is——- than it is for——.

A

not fully developed

higher for newborns and young children

adults

49
Q

4TH VENTRICLE
Broad or narrow?
shallow or deep?

___-shaped cavity with multiple recesses
-overlying the—- and——-.

A

Broad; shallow

rhomboid

pons; medulla

50
Q

4TH VENTRICLE
Roof -
Floor-

A

Cerebellum

Rhomboid fossa

51
Q

4th ventricle

1 lateral recess on each side over the——- to open into the——— cistern.
-Foramina of—— in lateral recesses & a small opening, the foramen of—— in the median plane of the caudal region of the ventricle.

A

inferior cerebellar peduncle; cerebellomedullary (magna)

Luschka

Magendie

52
Q

RHOMBOID FOSSA

  • DIVISIBLE INTO 2—- shaped PARTS
  • INTERMEDIATE PORTION MARKED By TRANSVERSELY RUNNING FIBERS called ——
  • DIVIDED INTO RT & LT BY THE——
A

TRIANGULAR

STRIAE MEDULLARES

MEDIAN SULCUS

53
Q 
3RD VENTRICLE
-Situated in the median plane b/w the——-.
-Anterior wall 
-\_\_\_\_\_- thin sheet of gray matter.
-\_\_\_\_\_commissure.
-Anterior columns of——.
Posterior wall
-Opening into—-
-\_\_\_\_commissure.
-\_\_\_\_recess &\_\_\_ body.
-\_\_\_\_commissure.
A

2 thalami

Lamina terminalis; Anterior; fornix

cerebral aqueduct; Posterior

Pineal; pineal

Habenular

54
Q

3rd Ventricle

Lateral wall
-\_\_\_surfaces of——-
-\_\_\_\_surfaces of——-
Roof
-;\_\_\_\_;——-;——-
Floor
-\_\_\_\_\_
A

Medial; thalamus
Medial; hypothalamus

Choroids plexus; Fornix; Corpus callosum

Optic chiasma

55
Q

Endo steal layer of dura matter is continuous with sutural ligaments

T/F

A

T

56
Q

Endo steal layer of dura matter provides tubular sheath for cranial nerves

T/F

A

F

57
Q

Dura matter is inneervated by ?

Trigeminal nerve
Facial
Vagus
1-5 cervical nerves 
Parasympathetic nerves
A 
T
F
T
F
F
58
Q

Tentoroum cerebelli is attached to :

Crista galli
Anterior clinoid process 
Tentorial notch
Superior border of Petrous bones 
Margins of the grooves for the transverse sinuses
A 
F
T
F
T
T
59
Q

Subarachnoid space:

Avascular
Continues to S1

T/F

A

T

T

60
Q

Obstruction of CSF leads to hydrocephalus

T/F

A

F

61
Q

Froin’s syndrome is xterized by ___ discoloration of CSF

A

Yellow

62
Q

Communicating hydrocephalus occurs when the stuff occurs in the ventricles

T/F

A

F

Ana 203 Part B (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions