CSF and glymphatic system

Question 1

10% of the total fluid volume of the cranial cavity

Answer 1

CSF

Question 2

12% of fluid in cranial cavity; in between cells

Answer 2

interstitial fluid

Question 3

68% total fluid volume ( within cells)

Answer 3

intracellular

Question 4

the body uses ___ system to remove waste from interstital spaces of your tissue

Answer 4

lymphatic

Question 5

several organs are apart of lymphatic system

Answer 5

lymph nodes, thymus, spleen, tonsils, peyers patch

Question 6

attached to brains surface by glial cells called astrocytes

Answer 6

pia mater

Question 7

the lymphatic vessels of the brain are located where

Answer 7

meminges

Question 8

lympathic vessles become extensive at base of brain and exit skull alongside ___ ____

Answer 8

cranial nerves

Question 9

surrounds all exposed surfaces of CNS in subarachnoid space and within ventricles

Answer 9

CSF

Question 10

how is CSF made

Answer 10

by specialized ependymal cells of choroid plexus

Question 11

the blood brain barrier is highly permeable tp

Answer 11

water, co2, o2

Question 12

the bbb is impermeable to

Answer 12

plasma proteins and non lipid soluble organic molecules

Question 13

exceptions to bbb are

Answer 13

areas of hypothalamus and pineal gland

Question 14

substances flow directly into interstitial fluid, tight junctions form between endothelial cells

Answer 14

BBB

Question 15

substances flow from vascular (blood) to plexus; vascular surrounded by chorooid is leaky (cappilaries); tight junctions are formed by choroid plexus

Answer 15

BCSF (barrier CSF)

Question 16

the choroid plexus is ____

Answer 16

polarized

Question 17

there is a differential flow of subtabces in BCSF because it is polarized; what is transported in?

Answer 17

vitamins, organic nutrients, o2

Question 18

fluid filtered from _____ by choroid plexus

Answer 18

blood

Question 19

the CSF flows how

Answer 19

lateral ventricles to intraventricular foramen to third ventricle to aqueduct of midbrain to fourth ventricle

Question 20

from the fourth ventricle CSF can flow into ___ ____ of spinal cord out to subarachnoid space

Answer 20

central canal

Question 21

small protrusions of arachnoid through the dura mater into superior saggital sinus (venous blood flow)

Answer 21

arachnoid granulation

Question 22

generall fluid only flows in one direction

Answer 22

from CSF to venous system

Question 23

central blood vessels can chnage blood flow by altering diameter by ____ ___

Answer 23

smooth muscle

Question 24

in cappilaries, constriction or dilation is done by ___

Answer 24

pericytes

Question 25

CSF flows around a pwathway called ___ ____ space; between atrocyte endfeet becomes continuous with basil lamina and will forced into interstitial space

Answer 25

virchow-robin

Question 26

what drives the movement of CSF

Answer 26

the heartbeat and smooth muscle/ pericytes surrounding arteries

Question 27

smooth muscles cells surrounding arterioles generate ___ ___ as they contract

Answer 27

pulse waves

Question 28

_____ act as carriers for cholesterol

Answer 28

apolipoproteins

Question 29

the ___ system is turned off during waking hours

Answer 29

glymphatic

Question 30

glymphatic activity ____ during aging

Answer 30

decreases