Cerebrospinal Fluid Pathway Diagram

Cerebrospinal fluid csf is a clear proteinaceous fluid that exists in the surrounding spaces of mammalian central nervous systems cns. The csf passes from the lateral ventricles to the third ventricle through the interventricular foramen of monro. This diagram summarizes fluid and cellular movements across the different barriers of the brain compartments blood interstitial fluid virchow robin space cerebrospinal fluid space comprising the cerebral ventricles basal cisterns and cortical subarachnoid space.

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The pathway of the cerebrospinal fluid is as follows.

Cerebrospinal fluid pathway diagram. It is a multifaceted marvel able to continuously support the nervous system through the lifespan of the organism. Csf acts as a cushion or buffer providing basic mechanical and. A video showing the flow of csf through the ventricular system and the sub arachnoid space. In the average adult human there is roughly 150 ml of csf circulating at any given moment.

Beginning in the lateral ventricles csf flows through two passageways into the third ventricle. Use the chapter headings below to navigate to relevant sections of the video. Cerebrospinal fluid csf is a clear colorless body fluid found in the brain and spinal cord it is produced by specialised ependymal cells in the choroid plexuses of the ventricles of the brain and absorbed in the arachnoid granulations there is about 125 ml of csf at any one time and about 500 ml is generated every day. From the third ventricle the csf flows through the cerebral aqueduct of sylvius to the fourth ventricle.

Radionuclide cerebrospinal fluid csf flow studies or so called radionuclide ventriculography provide a safe physiologic assessment of the functional anatomy of the csf spaces 31 33 csf circulates through the ventricular system and subarachnoid space that surrounds both the brain and spinal cord figure 51 21 normally csf flows anteriorly in the lateral ventricles through the foramen of. Introduction 00 18 csf. The solid arrows in the draw ing below cerebrospinal fluid csf circulatory pathway show the major pathway of csf flow. From the third ventricle it flows down a long narrow passageway the aqueduct of sylvius into the fourth ventricle.

The cerebrospinal fluid pathways a critical note j neuropathol exp.