The fluid that surrounds the brain is known as cerebrospinal fluid, and it is important for many reasons. One such reason is that cerebrospinal fluid can act as a shock absorber for both the brain and spinal cord, protecting them during impact events that occur to the head and body. Cerebrospinal fluid does this by filling the empty spaces of the brain, also known as ventricles, and surrounding the outside of the brain as well...
The fluid that surrounds the brain is known as cerebrospinal fluid, and it is important for many reasons. One such reason is that cerebrospinal fluid can act as a shock absorber for both the brain and spinal cord, protecting them during impact events that occur to the head and body. Cerebrospinal fluid does this by filling the empty spaces of the brain, also known as ventricles, and surrounding the outside of the brain as well as the spinal cord, providing protection and support for both. It also plays an important role in bringing nutrients to the brain from the blood stream, and in removing waste products. The typical flow of cerebrospinal fluid is from the choroid plexuses, located in the lateral ventricles, where cerebrospinal fluid is made, to the third ventricle. From here, cerebrospinal fluid then flows to the fourth ventricle, followed by the subarachnoid space. From the subarachnoid space, it circulates around the outside of the brain, and flow to the superior sagittal sinus, where it is reabsorbed back into the blood stream. Interestingly, small amounts of cerebrospinal fluid can be removed and tested to look for a number of neurological disorders, or to help identify spinal cord or brain injury.
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