Grey matter topic

Grey matter (or gray matter) is a major component of the central nervous system, consisting of nerve cell bodies (neurons), glial cells (astroglia and oligodendrocytes), capillaries, and short nerve cell extensions/processes (axon and dendrites). It is composed of cell bodies as opposed to white matter (cell axon). It has a gray brown color which comes from the capillary blood vessels and the neuronal cell bodies. Grey matter is distributed at the surface of the cerebral hemisphere (cerebral... full article at wikipedia