What manufactures cerebrospinal fluid?

CSF is produced mainly by a structure called the choroid plexus in the lateral, third and fourth ventricles. CSF flows from the lateral ventricle to the third ventricle through the interventricular foramen (also called the foramen of Monro).

What reabsorbs the cerebrospinal fluid?

CSF is reabsorbed into venous sinus blood via arachnoid granulations. Subarachnoid Cavity: Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain with the subarachnoid cavity visible on the left. CSF is produced at a rate of 500 ml/day.

What causes increased production of cerebrospinal fluid?

The increased CSF production is the result of an increased activity of Na+-K+ ATPase at the choroid plexus level, which establishes a sodium gradient across the choroid epithelial cells, as well as of an elevated CBF (66).

How do you regulate cerebrospinal fluid?

The cerebrospinal fluid (CSF) volume is regulated by a balance between CSF formation and absorption. It is generally believed that the increase of hydrostatic pressure enhances absorption of CSF across arachnoid villi into venous blood without affecting CSF formation in brain ventricles.

Where does cerebrospinal fluid ( CSF ) come from?

Watch the complete lecture in the member’s area at https://www.DrNajeebLectures.com Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord. It is produced by the specialized ependymal cells in the choroid plexuses of the ventricles of the brain and absorbed in the arachnoid granulations. DR. NAJEEB LECTURES

What causes an abnormal accumulation of CSF in the brain?

Hydrocephalus is an abnormal accumulation of CSF in the ventricles of the brain. Hydrocephalus can occur because of obstruction of the passage of CSF, such as from an infection, injury, mass, or congenital abnormality. Hydrocephalus without obstruction associated with normal CSF pressure may also occur.

Is the cerebrospinal fluid free of red blood cells?

This continuous flow into the venous system dilutes the concentration of larger, lipid-insoluble molecules penetrating the brain and CSF. CSF is normally free of red blood cells, and at most contains only a few white blood cells.

What is the fluid surrounding the brain and spinal cord?

Cerebrospinal fluid (CSF), clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord.