ANATOMY & PHYSIOLOGY CELL BIOLOGY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site glial cell A cell of the central nervous system that provides support to neurons. Glial cells not only provide physical support, but also respond to injury, regulate the chemical environment of neurons, form the myelin insulation of nervous pathways, help guide neuronal migration during development, and play an important role in the blood-brain barrier. Glial cells come in four main types: astrocytes oligodendrocytes ependymal cells microglia Related categories    • CELL BIOLOGY    • ANATOMY AND PHYSIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP