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Study sets matching "cerebral blood flow"

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Study sets matching "cerebral blood flow"

61 terms
Cerebral Blood Flow
Normal cerebral blood flow in adults i…
cerebral blood flow is high related to…
What are the 4 metabolic factors that…
Increased CO2 or H+ concentration resu…
15
metabolism
1. CO2 concentration... 2. Hydrogen ion concentration... 3. O2 conc…
increased
Normal cerebral blood flow in adults i…
15
cerebral blood flow is high related to…
metabolism
23 terms
Cerebral blood flow
Monro-Kelly Doctrine
Three compartments of skull
Three stages of compensation for raise…
Normal ICP value
- Skull is a rigid container of constant volume... - Increase in…
i) Brain 85%... ii) CSF 10%... iii) Blood 5%
1) Reduction in venous blood volume... 2) Reduction in CSF volum…
5-15mmHg
Monro-Kelly Doctrine
- Skull is a rigid container of constant volume... - Increase in…
Three compartments of skull
i) Brain 85%... ii) CSF 10%... iii) Blood 5%
31 terms
Cerebral Blood Flow
What is cerebral blood flow in ml/min?…
Below what cerebral blood flow does ce…
What are the two determinants of cereb…
Cerebral perfusion pressure normally i…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
EEG evidence of cerebral ischemia appears when cerebral blood…
The two determinants of cerebral blood flow are cerebral vasc…
Cerebral perfusion = MAP-ICP. Note: MAP is mean arterial pres…
What is cerebral blood flow in ml/min?…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
Below what cerebral blood flow does ce…
EEG evidence of cerebral ischemia appears when cerebral blood…
47 terms
cerebral blood flow
what is cerebral bld flow in adult
how heavy is brain
how much % of cardiac output
what is CMRO2
750ml/min ... 50ml/100g/min
1,4 kg (door)
15% (doll)
cerebral metabolic rate of oxygen consumption
what is cerebral bld flow in adult
750ml/min ... 50ml/100g/min
how heavy is brain
1,4 kg (door)
14 terms
coronary and cerebral blood flow
arterial supply of heart
epicardial vs. endocardial arteries
arterial pressure and autoregulation i…
flow= change in pressure/resistance
- remember, left and right coronary arteries have origin in r…
- Arterial blood vessels have to dive down into wall of blood…
- During systole, squeeze vessels on endocardial more than on…
- Effects more prominent on left side of heart due to increas…
arterial supply of heart
- remember, left and right coronary arteries have origin in r…
epicardial vs. endocardial arteries
- Arterial blood vessels have to dive down into wall of blood…
24 terms
Cerebral Blood Flow and Metabolism
What arteries are considered pial arte…
How does astrocytes and parasites cont…
What is a neurovascular unit?
What is the metabolic demand of O2, CO…
basilar, circle of willis surrounded by CSF. Located in the p…
astrocyte contribute to ion and water homeostasis. Pericytes…
capillary, pericytes, astrocytes and neuron bundle.
20% O2, 15%CO, 25% of glucose. Glucose utilization remain con…
What arteries are considered pial arte…
basilar, circle of willis surrounded by CSF. Located in the p…
How does astrocytes and parasites cont…
astrocyte contribute to ion and water homeostasis. Pericytes…
31 terms
Cerebral Blood Flow
What is cerebral blood flow in ml/min?…
Below what cerebral blood flow does ce…
What are the two determinants of cereb…
Cerebral perfusion pressure normally i…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
EEG evidence of cerebral ischemia appears when cerebral blood…
The two determinants of cerebral blood flow are cerebral vasc…
Cerebral perfusion = MAP-ICP. Note: MAP is mean arterial pres…
What is cerebral blood flow in ml/min?…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
Below what cerebral blood flow does ce…
EEG evidence of cerebral ischemia appears when cerebral blood…
12 terms
Cerebral Blood Flow
Blood flow
autoregulation
SNS
Microcirculation
mediated by 4 methods:... 1/2) [CO2] in brain reacts w/ H2O to m…
between 60-150mmHg MAP, blood flow to brain is held nearly ex…
increase in MAP causes SNS activation to vasoconstrict brain…
--grey matter (cell bodies) use 4X more O2 & have 4X as many…
Blood flow
mediated by 4 methods:... 1/2) [CO2] in brain reacts w/ H2O to m…
autoregulation
between 60-150mmHg MAP, blood flow to brain is held nearly ex…
18 terms
Cerebral Blood Flow & Respiration
Anterior blood supply
Posterior blood supply
Circle of Willis
Pleural linkage
left and right carotid arteries --> internal carotid... 1. Anter…
left and right subclavian arteries --> vertebral arteries -->…
convergence of internal carotid and vertebral arteries at the…
surface tension between the wet pleural linings draw the lung…
Anterior blood supply
left and right carotid arteries --> internal carotid... 1. Anter…
Posterior blood supply
left and right subclavian arteries --> vertebral arteries -->…
8 terms
cerebral blood flow
anterior circulation made up of
posterior circulation made up of
off the internal carotid is your...
between the two anterior cerebrals you…
carotids... anterior cerebral artery... middle cerebral artery
verebrals / basilar... posterior cerebral artery
middle cerebral and anterior cerebral
anterior communicating
anterior circulation made up of
carotids... anterior cerebral artery... middle cerebral artery
posterior circulation made up of
verebrals / basilar... posterior cerebral artery
9 terms
Cerebral Blood Flow
What arteries are involved in the cere…
What does the internal carotid a. bran…
Where does the posterior division come…
What does the posterior cerebral aa. c…
Anterior circulation: carotids, anterior cerebral artery, mid…
1. Middle cerebral a.... 2. Anterior cerebral a.
Branches of the subclavian, vertebral a.... 2 vertebrals come to…
Comes off of the basilar or internal carotid aa.
What arteries are involved in the cere…
Anterior circulation: carotids, anterior cerebral artery, mid…
What does the internal carotid a. bran…
1. Middle cerebral a.... 2. Anterior cerebral a.
31 terms
Cerebral Blood Flow
What is cerebral blood flow in ml/min?…
Below what cerebral blood flow does ce…
What are the two determinants of cereb…
Cerebral perfusion pressure normally i…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
EEG evidence of cerebral ischemia appears when cerebral blood…
The two determinants of cerebral blood flow are cerebral vasc…
Cerebral perfusion = MAP-ICP. Note: MAP is mean arterial pres…
What is cerebral blood flow in ml/min?…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
Below what cerebral blood flow does ce…
EEG evidence of cerebral ischemia appears when cerebral blood…
31 terms
Cerebral Blood Flow
What is cerebral blood flow in ml/min?…
Below what cerebral blood flow does ce…
What are the two determinants of cereb…
Cerebral perfusion pressure normally i…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
EEG evidence of cerebral ischemia appears when cerebral blood…
The two determinants of cerebral blood flow are cerebral vasc…
Cerebral perfusion = MAP-ICP. Note: MAP is mean arterial pres…
What is cerebral blood flow in ml/min?…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
Below what cerebral blood flow does ce…
EEG evidence of cerebral ischemia appears when cerebral blood…
30 terms
Cerebral blood flow
Which cerebral arteries does the inter…
Which arteries does the basilar artery…
If there is occlusion of the vertebral…
Which part of the brain and thus corre…
Anterior and middle
Posterior and cerebellar arteries
Yes; blood can still reach the posterior artery via the inter…
Medial surface of the cerebral cortex so supplies motor and s…
Which cerebral arteries does the inter…
Anterior and middle
Which arteries does the basilar artery…
Posterior and cerebellar arteries
49 terms
Cerebral blood flow
What percentage of resting C.O does th…
What potentially regulates blood flow…
What is the connection between CO2, PH…
Why is a build up of H+ in cerebral ti…
15%, 750-950 ml/min
Astrocyte foot processes
Any substance that decreases cerebral PH leads to an increase…
Inhibits neuronal function,... Increase cerebral blood flow via…
What percentage of resting C.O does th…
15%, 750-950 ml/min
What potentially regulates blood flow…
Astrocyte foot processes
37 terms
Cerebral blood flow and stroke
Which lobes and parts of cortex are su…
Which lobes and parts of cortex are su…
Which lobes and parts of cortex are su…
What does the posterior inferior cereb…
Frontal and parietal lobes, motor and sensory cortex of lower…
Temporal lobe, motor and sensory cortex of upper limb and fac…
Temporal and occipital lobes, visual cortex
Lateral medulla
Which lobes and parts of cortex are su…
Frontal and parietal lobes, motor and sensory cortex of lower…
Which lobes and parts of cortex are su…
Temporal lobe, motor and sensory cortex of upper limb and fac…
31 terms
Cerebral Blood Flow
What is cerebral blood flow in ml/min?…
Below what cerebral blood flow does ce…
What are the two determinants of cereb…
Cerebral perfusion pressure normally i…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
EEG evidence of cerebral ischemia appears when cerebral blood…
The two determinants of cerebral blood flow are cerebral vasc…
Cerebral perfusion = MAP-ICP. Note: MAP is mean arterial pres…
What is cerebral blood flow in ml/min?…
Cerebral blood flow is 750 ml/min, 50 ml/100g/min, and 15% of…
Below what cerebral blood flow does ce…
EEG evidence of cerebral ischemia appears when cerebral blood…
15 terms
cerebral blood flow and artery
stroke
Brachiocephalic artery
common
tumor
lack of oxygenated artery blood to part of the brain
send blood to head and arms -R
what term means it will split
relatively slow and progressive
stroke
lack of oxygenated artery blood to part of the brain
Brachiocephalic artery
send blood to head and arms -R
16 terms
cerebral blood flow
Circle of willis is composed of what s…
the internal carotid system spans what…
the vertebrobasilar system spans what…
pathway of vertebrobasilar arteries to…
1. vertebrobasilar system... 2. internal carotid system
anterior, medial and lateral cerebrum
posterior cerebrum, cerebellum, brainstem
transverse foramen of cervical vertebrae - foramen magnum int…
Circle of willis is composed of what s…
1. vertebrobasilar system... 2. internal carotid system
the internal carotid system spans what…
anterior, medial and lateral cerebrum
81 terms
Cerebral Blood Flow and Regulation
cerebral blood flow
brain receives
brain composes
normal rate of cerebral blood flow
supplied by 4 large arteries (2 carotid and 2 vertebral)
15% of cardiac output
2% of body weight
750-900ml/min
cerebral blood flow
supplied by 4 large arteries (2 carotid and 2 vertebral)
brain receives
15% of cardiac output
26 terms
Neuroanatomy - Cerebral Blood Flow
What are the two major arterial supply…
Where does the internal carotid artery…
Where does the vertebral-basilar syste…
Which parts of the CNS are supplied by…
Vertebral-basilar (posterior cerebral artery) and internal ca…
Carotid canal
Foramen magnum
Anterior: frontal, parietal, temporal lobes
What are the two major arterial supply…
Vertebral-basilar (posterior cerebral artery) and internal ca…
Where does the internal carotid artery…
Carotid canal
24 terms
Cerebral Blood Flow
What arteries supply the cerebellum?
A lesion to the thalamus would cause?
Circle of Wilis
Why is the circle of wills common for…
AICA... PICA... SCA
contralateral sensation loss
anastamose between internal carotid and the vertebral artery…
common spot for aneurysm because massive pipes of blood and a…
What arteries supply the cerebellum?
AICA... PICA... SCA
A lesion to the thalamus would cause?
contralateral sensation loss
18 terms
Cerebral Blood Flow and Metabolism
Describe the intrinsic/extrinsic inner…
Pial Arteries
Discuss how glucose via the cerebral c…
What is a neurovascular unit?
Extrinsic innervation... >innervation of pial aa and other penet…
vessels that are in the pia arachnoid space surrounded by CSF…
>brain consumes 25% of all glucose ... >glucose does not go thr…
Capillaries, pericytes, astrocytes and neurons are all known…
Describe the intrinsic/extrinsic inner…
Extrinsic innervation... >innervation of pial aa and other penet…
Pial Arteries
vessels that are in the pia arachnoid space surrounded by CSF…
49 terms
Blood Supply & Cerebral Blood Flow
What are the parts of a lateral ventri…
Much of the outside wall of the latera…
What part of the brain is below the la…
What part of the brain is above the la…
Body, Atrium, & Anterior, Posterior, & Inferior horns
The caudate nucleus
The thalamus
The corpus callosum
What are the parts of a lateral ventri…
Body, Atrium, & Anterior, Posterior, & Inferior horns
Much of the outside wall of the latera…
The caudate nucleus
9 terms
Cerebral blood flow and metabolism
What permits collateral blood flow in…
What are the major blood vessels suppl…
All vessels of the circle of willis ar…
Stump pressure measures
Circle of willis
Right and left internal carotids ... Basilar artery (Supplied by…
Basilar artery... Anterior communicating arteries
Back pressure through the Circle of willis to the carotid art…
What permits collateral blood flow in…
Circle of willis
What are the major blood vessels suppl…
Right and left internal carotids ... Basilar artery (Supplied by…
16 terms
Cerebral Blood Flow and ICP
Brain Metabolism
Cerebral blood flow (CBF)
Autoregulation CBF
Chemical regulation of CBF
2% of body wt... uses 15-20% of CO... gets 750ml/min of blood flow…
no change in wake to sleep... 2 mechanisms... -auto... -chemical
works within certain parameters of MABP and ICP... used to maint…
BV regulate2d by local change in chemical environment... PaO2 an…
Brain Metabolism
2% of body wt... uses 15-20% of CO... gets 750ml/min of blood flow…
Cerebral blood flow (CBF)
no change in wake to sleep... 2 mechanisms... -auto... -chemical
49 terms
Cerebral Metabolism and Blood Flow
Cerebral venous system
what are the two main blood supplies t…
what is the circle of willis?
What are the 3 major sections of the c…
no muscle tissue or valves; lies in subarachnoid space; aggre…
1. The carotid artery that splits into external (face) and in…
an anastomotic ring of arteries that sit at the base of the b…
The anterior communicating arteries, basilar artery and poste…
Cerebral venous system
no muscle tissue or valves; lies in subarachnoid space; aggre…
what are the two main blood supplies t…
1. The carotid artery that splits into external (face) and in…
22 terms
Coronary and Cerebral blood flow
MBP=
the distribution of blood to various o…
what is the relationship of all of the…
the normal regulatory mechanism in inc…
Co x TPR
relative resistance to flow
practically equal (for our purposes, this tells us that the v…
the cardiac myocytes are already perfused with so many capill…
MBP=
Co x TPR
the distribution of blood to various o…
relative resistance to flow
62 terms
Cerebral Blood Flow and Regulation
What is the cerebral blood flow suppli…
How much of the resting cardiac output…
What four factors regulate cerebral bl…
What is the correlation between cerebr…
4 large arteries, 2 carotid, 2 vertebral arteries
15%
-increased CO2 concentration... -increased H-ion concentration…
positive correlation
What is the cerebral blood flow suppli…
4 large arteries, 2 carotid, 2 vertebral arteries
How much of the resting cardiac output…
15%
62 terms
Cerebral blood flow and metabolism
Main source of blood flow for the cere…
The vertebral and basilar arteries sup…
Which artery is vasoactive?
What 3 pairs of main arteries branch f…
Internal carotid
Cerebrum, cerebellum and brainstem
Basilar
Anterior, middle and posterior crebral arteries.
Main source of blood flow for the cere…
Internal carotid
The vertebral and basilar arteries sup…
Cerebrum, cerebellum and brainstem
23 terms
Regulation of Cerebral Blood Flow
T/F: ... Cerebral Q is directly proportio…
MBP = ______ x ________
What is the distribution of Resistance…
The Cushing Reaction states that inc i…
F (b/c can change Resistance)... F (b/c also depends on Resista…
CO x TPR
2/3 is outside of the brain (b/c of long BV leading up to it…
...Inc in TPR ... ...Inc in MBP (in order to maintain cerebral p…
T/F: ... Cerebral Q is directly proportio…
F (b/c can change Resistance)... F (b/c also depends on Resista…
MBP = ______ x ________
CO x TPR
25 terms
Cerebral and Coronary blood flow
How can the beginning and end of eject…
2. Which is the greatest, average righ…
What hemodynamic principles explain th…
4. At what point during the cardiac cy…
beginning of ejection: pt of lowest aortic pressure ... end of e…
left
greater flow in left coronary bc it has lowered resistance du…
isovolumetric relaxation (First phase of diastole)
How can the beginning and end of eject…
beginning of ejection: pt of lowest aortic pressure ... end of e…
2. Which is the greatest, average righ…
left
22 terms
Coronary and Cerebral blood flow
MBP=
the distribution of blood to various o…
what is the relationship of all of the…
the normal regulatory mechanism in inc…
Co x TPR
relative resistance to flow
practically equal (for our purposes, this tells us that the v…
the cardiac myocytes are already perfused with so many capill…
MBP=
Co x TPR
the distribution of blood to various o…
relative resistance to flow
51 terms
Cerebral Blood Flow and Regulation
How much blood does the brain receive…
What percentage of cardiac output goes…
What change do excess H ions induce in…
Why is it important to control H ion c…
750 - 900 ml (50-65 ml/100g)
15%
Vasodilation
Increased levels of H ions decreases neuronal activity
How much blood does the brain receive…
750 - 900 ml (50-65 ml/100g)
What percentage of cardiac output goes…
15%
49 terms
Blood Supply & Cerebral Blood Flow
What are the parts of a lateral ventri…
Much of the outside wall of the latera…
What part of the brain is below the la…
What part of the brain is above the la…
Body, Atrium, & Anterior, Posterior, & Inferior horns
The caudate nucleus
The thalamus
The corpus callosum
What are the parts of a lateral ventri…
Body, Atrium, & Anterior, Posterior, & Inferior horns
Much of the outside wall of the latera…
The caudate nucleus
282 terms
N730 Cerebral Blood Flow
what percentage of oxygen needed for n…
what is normal Cerebral Blood Flow (CBF)
What is normal CMRO2 for adults
what is normal CMRO2 for children
Brain uses about 20% of the oxygen needed for normal body f…
Normal global CBF = 50-65 mL/100g/min = 750-900 mL/min (adults)
Normal CMRO2 for adults = 3.0-3.5 mL O2/100g/min
Normal CMRO2 for children = 5.2 mL O2/100g/min
what percentage of oxygen needed for n…
Brain uses about 20% of the oxygen needed for normal body f…
what is normal Cerebral Blood Flow (CBF)
Normal global CBF = 50-65 mL/100g/min = 750-900 mL/min (adults)
38 terms
23. Coronary & Cerebral Blood Flow
*Explain the control mechanisms respon…
*Explain the control mechanisms respon…
*Explain the control mechanisms respon…
"The bottom line"... Autonomic influenc…
Priority is given to local mechanisms
Neural Control = mostly sympathetic... metabolic control = m…
In a healthy heart, perfusion of the blood flow in the corona…
Stimulation of sympathetic nerves innervating the heart incre…
*Explain the control mechanisms respon…
Priority is given to local mechanisms
*Explain the control mechanisms respon…
Neural Control = mostly sympathetic... metabolic control = m…
24 terms
20. Coronary and Cerebral Blood Flow
Explain blood flow through coronary ve…
What is the equation for blood flow?
Explain coronary blood flow in right v…
Explain coronary blood flow in right v…
√P(endocardium) > P(epicardium) during systole. ... √Q(endo) < Q…
Q=∆P/R
√There is a greater pressure change in left coronary artery =…
√Diastole:: ... —L: determined by pressure in aorta... —R: determin…
Explain blood flow through coronary ve…
√P(endocardium) > P(epicardium) during systole. ... √Q(endo) < Q…
What is the equation for blood flow?
Q=∆P/R
15 terms
Neuroanatomy Exam Cerebral Blood Flow
Ischemic stroke
Hemorrhagic stroke
Circle of Willis
Foramen magnum, basilar artery
Blood clot stops flow of blood to an area of the brain
Blood leaks into brain tissue and stops flow of blood
Circle that connects the anterior circulation to the posterio…
Vertebral arteries enter skull through __ __ and then join to…
Ischemic stroke
Blood clot stops flow of blood to an area of the brain
Hemorrhagic stroke
Blood leaks into brain tissue and stops flow of blood
13 terms
Physiology of BBB, Cerebral Blood Flow and Cerebral Metabolism
Astrocytic Foot Processes, Numerous Ti…
Physical, Physiological
Lipid-soluble
GLUT1
What supports the capillaries of the CNS? Describe the capill…
The skull prevents ___ changes while the BBB prevents ___ cha…
What kind of drugs can pass through the BBB?
What is used to transport glucose to the brain?
Astrocytic Foot Processes, Numerous Ti…
What supports the capillaries of the CNS? Describe the capill…
Physical, Physiological
The skull prevents ___ changes while the BBB prevents ___ cha…
40 terms
altered cerebral blood flow: stroke
4th leading cause of death in US and m…
stroke definition(s)
risk factors of stroke
stroke happens more in:
STROKE
-a focal neurological deficit that has a sudden onset... -inadeq…
p. 1390... -non modifiable... age, gender, enthnicity, genetics... -mo…
age over 65... men than women... african americans
4th leading cause of death in US and m…
STROKE
stroke definition(s)
-a focal neurological deficit that has a sudden onset... -inadeq…
128 terms
cluster 25: cerebral blood flow
How much 02 from the body does the bra…
Cerebral Vascular Accident (CVA) is th…
who's at a greater risk for CVA? (3 gr…
Which 5 medical risks are involved in…
20%
focal (localized)... -deficits caused by ischemia & necrosis of…
1. people over 65... 2. African Americans (HTN)... 3. men
1. HTN - ^ systolic & diastolic BP damage to all vessels (cer…
How much 02 from the body does the bra…
20%
Cerebral Vascular Accident (CVA) is th…
focal (localized)... -deficits caused by ischemia & necrosis of…
26 terms
Neurophysiology: Cerebral circulation. Blood flow
Describe the anatomy of the cerebral c…
Describe the venous drainage of the br…
Describe the structure of the capillar…
Describe the sympathetic innervation o…
Arteries... - 2x carotid arteries... - 2x vertebral arteries that j…
Deep veins and dural sinuses empty primarily into the IVC... Sm…
Non-fenestrated capillaries. But have tight junctions between…
Neuron cell bodies originate in the cervical ganglia... - Ending…
Describe the anatomy of the cerebral c…
Arteries... - 2x carotid arteries... - 2x vertebral arteries that j…
Describe the venous drainage of the br…
Deep veins and dural sinuses empty primarily into the IVC... Sm…
82 terms
WEEK 2 Cerebral Blood Flow
T/F: CSF circulates through the centra…
What secretes CSF?
This is:... - the mechanical cushion for…
Composition of CSF is made up of?
true
the choroid plexus
CSF
Filtrate of blood
T/F: CSF circulates through the centra…
true
What secretes CSF?
the choroid plexus
26 terms
1.05 Cerebral Blood Flow
How are the large extracranial arterie…
What is normal oxygen extraction in th…
What happens if the intracranial press…
What happens if the MAP = CVP?
These arteries in the brain contribute about 50% of vascular…
6 - advantageous because the brain can draw out more oxygen d…
The veins collapse and blood flow decreases
Blood flow decreases once MAP < 60 mmHg. When MAP = CVP blood…
How are the large extracranial arterie…
These arteries in the brain contribute about 50% of vascular…
What is normal oxygen extraction in th…
6 - advantageous because the brain can draw out more oxygen d…
17 terms
test 3 - cerebral blood flow and CSF
Cerebrum (cerebral blood flow)... slide 2
slide 4
slide 8
CEREBRUM (internal carotid pathway) **…
4. Cerebral blood flow: TWO major paired arteries supply the…
B. Internal CAROTID pathway... [1] L & R COMMON CAROTID arterie…
Cerebrum (cerebral blood flow)... slide 2
4. Cerebral blood flow: TWO major paired arteries supply the…
slide 4
11 terms
Biol. 2320: General Cerebral Blood Flow
Aorta
Brachiocephalic artery
Subclavian artery
Common carotid artery
#1
#2
#3
#4
Aorta
#1
Brachiocephalic artery
#2
90 terms
Ventricles, CSF, Cerebral blood flow, and BBB
Ventricular Systems of the brain
Lateral Ventricles
Third Ventricle
Fourth Ventricle
Interconnected fluid filled spaces (CSF) that lie in the core…
2: 1 Left and 1 right ... -Fluid leaves from the lateral ventri…
In diencephalon
In the Brainstem ... -Lies between pons and cerebellum
Ventricular Systems of the brain
Interconnected fluid filled spaces (CSF) that lie in the core…
Lateral Ventricles
2: 1 Left and 1 right ... -Fluid leaves from the lateral ventri…
83 terms
Ischemia, Regulation of Cerebral Blood Flow, Excitotoxicity, Phys
anastomoses
left MCA superior division
left MCA inferior division
left MCA deep territory
in brain. the blood converges but it then *flows to separate…
just the frontal half
inferior and posterior part of this
gold
anastomoses
in brain. the blood converges but it then *flows to separate…
left MCA superior division
just the frontal half
65 terms
PBM CV19 Cerebral Blood Flow
what vessels provide cerebral blood flow
what percentage of total cardiac outpu…
what are the 4 main substances that re…
increased CO2 levels leads to increase…
2 carotid and 2 vertebral arteries
15% cardiac output
O2, CO2 ... H+ ion (pH)... stuff from astrocytes
H+ ion (from lactic acid, pyruvic acid etc)... vasodilation
what vessels provide cerebral blood flow
2 carotid and 2 vertebral arteries
what percentage of total cardiac outpu…
15% cardiac output
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