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Cerebrospinal fluid
1. QURATULAIN MUGHAL
BATCH IV
DOCTOR OF PHYSICAL THERAPY
ISRA UNIVERSITY
CEREBROSPINAL FLUID (CSF)
• It is a modified tissue fluid.
• It is present in the ventricular system of the brain and in
the subarachnoid spaces around the brain and spinal cord.
CIRCULATION
• CSF passes from each lateral ventricle to the third
ventricle through the interventricular foramen (of
Monroe).
2. • From the third ventricle, it passes to the fourth ventricle
through the cerebral aqueduct.
• From the fourth ventricle, the CSF passes to the
subarachnoid space through the median and lateral
aperatures of the fourth ventricle.
3. Lateral ventricles
Interventricular
foramina
3rd
ventricle
Aqueduct of midbrain
4th
ventricle
Three apertures in
roof One medial
Two lateral
Central canal of spinal
cord
Cerebellomedullary cistern
and pontine cistern
i.e. subarachnoid space in
cranial cavity
Subarachnoid space
around spinal cord
and cauda equina
Tentorial notch
Inferior surface
cerebrum
Veins of spinal cord
Superolateral
surface of cerebrum
Absorption into
Arachnoid
granulation
Superior sagital
sinus