Semioval center
（重定向自Centrum semiovale）
The semioval center or centrum semiovale is the white matter found underneath the grey matter on the surface of the cerebrum. The term is synonymous with cerebral white matter.
The white matter, located in each hemisphere between the cerebral cortex and nuclei, as a whole has a semioval shape. It consists of cortical projection fibers, association fibers and cortical fibers. It continues ventrally as the corona radiata.