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.
The brain is the most complex organ. It's also one of the most important. That's why keeping it healthy is critical â especially as you get older. Learn about brain health and how you can make the most of your brain as you age.he brain is the most complex organ. It's also one of the most important. That's why keeping it healthy is critical â especially as you get older. Learn about brain health and how you can make the most of your brain as you age.