Respuesta :
The choroid plexus in the ventricles is where cerebrospinal fluid is produced by ependymal cells.
What is choroid plexus?
- A network of blood vessels and cells in the ventricles (fluid-filled spaces) of the brain.
- The blood vessels are covered by a thin layer of cells that make cerebrospinal fluid.
- Functions of choroid plexus:
- The ependymal cells that line the ventricles of the brain allow the choroid plexus to produce cerebrospinal fluid (CSF), which is one of its main purposes.
- Second, the blood-CSF barrier— the choroid plexus acts as a barrier in the brain to keep the blood and CSF apart.
- What is cerebrospinal fluid?
- All vertebrates have cerebrospinal fluid, which is a clear, colorless bodily fluid that is present in the tissue that covers their brains and spinal cords.
- Specialized ependymal cells in the choroid plexus of the brain's ventricles create CSF, which is then absorbed in arachnoid granulations.
What are ependymal cells?
- Radial glia along the surface of the ventricles of the brain and spinal canal give rise to ciliated-epithelial glial cells called ependymal cells.
- They are essential for the equilibrium of the cerebrospinal fluid (CSF), for the metabolism of the brain, and for the removal of waste products from the brain.
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