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.
The fluid is cerebrospinal fluid (CSF), which also circulates over the outside of the brain and spinal cord. Brain Stem The brain stem is the part of the brain continuous with the spinal cord and comprising the medulla oblongata, pons, midbrain, and parts of the hypothalamus. Tentorium The tentorium is a fold of the dura mater, which separates the cerebellum from the cerebrum, and often encloses a process or plate of the skull called the bony tentorium. For more information about anatomy of brain and CNS, go to the Nervous System section of the Anatomy & Physiology module on this Web site.