Fissure filling is a treatment that improves the apparent clarity of a gemstone by removing air and replacing it with a substance that has a refractive index similar to the host material. Many different substances may be used to fill fissures: oils, resins, waxes, glass, and various polymers, to name a few.
Cerebral autoregulation is a process in mammals, which aims to maintain adequate and stable cerebral blood flow.hile most systems of the body show some degree of autoregulation, the brain is very sensitive to over-and underperfusion. Cerebral autoregulation plays an important role in maintaining an appropriate blood flow to that region.
Shares & Saves. Save. The brain is the most important organ in the body because it controls all of the body's functions. While a person can be technically alive without her brain, she cannot experience life without it. Oxygen is very important to the brain in order to use glucose (sugar) as fuel. A lack in a sufficient supply of oxygen will prevent the brain from working properly. This leads to all sorts of neurological signs and symptoms and, if the oxygen is absent for a few minutes or more, death.