A CSF leak is when CSF drains from a tear or hole in the membrane that surrounds the brain and spinal cord. In rare cases, the drainage can escape from a person's nose—appearing like a runny nose.

a sample of your cerebrospinal fluid is retrieved. The most common way to attain a sample is through a lumbar puncture, also known as a spinal tap.‌ Spinal taps can be unnerving or uncomfortable ...

A lumbar puncture is a test to check the fluid that circulates around the brain and spinal cord. This is called the cerebrospinal fluid or CSF. A lumbar puncture can check for cancer cells or for ...

W.M. ANSWER: CSF surrounds and supports the brain ... I’ve seen this used in people with fluid drainage after a spinal tap or an epidural injection. DEAR DR. ROACH: Why don’t we eat eggshells?

Your brain and spinal cord are protected by three layers of tissue called meninges. Between two of the layers is your cerebrospinal fluid, or CSF, in a place called the intrathecal space.

The arterial and CSF insulin concentration is typical of that found in peripheral blood and in human lumbar CSF in postprandial healthy humans. The brain microvascular endothelial cell (BMEC ...

A lumbar puncture is used to take a sample of the cerebrospinal fluid from the lower back. This fluid flows around the spinal cord and the brain, and clears waste products. Levels of certain proteins ...