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.
cerebral cortex of mammals has been studied extensively for many decades. FRONTAL LOBE FUNCTION - The prefrontal cortex, a part of the frontal lobes critical for emotional experience, is also important in temperament and decision making. - This combination of functions was discovered in 1848 from the remarkable