Marson Klik Poly-Nut Inserts. Marson KlikÂ® Poly-Nuts. Aluminum & Plated Steel. KlikÂ® Poly-Nuts can be used in a wide range of applications and are designed to provide a very efficient and cost-effective method of placing permanent threads in thin materials. Installed from one side, KlikÂ® Poly-Nuts are perfect for use in metal, fiberglass and rigid plastic previously too thin for tapped threads.
Cerebrospinal fluid (CSF), a clear, colorless fluid produced in the brain, contains glucose, proteins, and other substances also found in the blood. CSF surrounds the brain and spinal cord, serving as a cushion for the brain in the skull.
Cerebrospinal fluid (CSF) is a clear fluid that surrounds the brain and spinal cord. There is about 150 milliliters of CSF within the cerebral cavity that encloses the brain and spinal cord which allows the brain to âfloatâ in the fluid.luid secreted from the choroid plexus of the lateral passes through the first and third ventricles and into the fourth ventricle. Minute amounts of CSF are added to the bulk from the lateral ventricles in the third and fourth ventricle.