CSF Circulation

Question 1

CSF is produced mainly by what?

Answer 1

Choroid plexus in lateral ventricles at a rate of 500 mL/day

Question 2

CSF flows into 3rd ventricle through what?

Answer 2

Interventricular foramina of monro

Question 3

CSF flows from 3rd ventricle to 4th ventricle via what?

Answer 3

Cerebral Aqueduct of Sylvius

Question 4

CSF leaves 4th ventricle via what?

Answer 4

Lateral foramina of Luschka
and
Median foramen of Magendie

Question 5

CSF circulates in the subarachnoid space and collects in large spaces called?

Answer 5

Cisterna

Question 6

What is the largest collection of CSF?

Answer 6

Cisterna Magna

Question 7

What are the cisterna where CSF collects?

Answer 7

Cisterna Magna
Pontine Cistern
Interpeduncluar Cistern
Chiasmatic Cistern

Question 8

The cisterna magna is between what?

Answer 8

MEdulla and cerebellum

Question 9

The pontine cistern is below what?

Answer 9

Pons

Question 10

The interpeduncular cistern is between what?

Answer 10

Cerebral peduncles

Question 11

The chiasmatic cistern is below what?

Answer 11

Optic Chiasm

Question 12

CSF drains via what?

Answer 12

Arachnoid granulations

Question 13

Arachnoid granulations open into what?

Answer 13

Superior Sagittal Sinus