CELLS OF THE NERVOUS TISSUE
NEUROGLIA – 7
OLIGODENDROCYTES
Oligodendrocytes are named for their relatively small number of cell processes. The prefix oligo- means “few,” and dendro- refers to the branched processes of the cell.
Oligodendrocytes perform essential functions in the central nervous system (CNS). Their processes extend to axons and form layers of oligodendrocyte plasma membrane around them. These layers can become highly compacted to form myelin, which electrically insulates the axons and allows nerve impulses to be transmitted more rapidly and efficiently.
A single oligodendrocyte can form myelin sheaths around segments of several different axons. Oligodendrocytes are responsible for producing most of the myelin in the central nervous system.
Oligodendrocytes perform essential functions in the central nervous system (CNS). Their processes extend to axons and form layers of oligodendrocyte plasma membrane around them. These layers can become highly compacted to form myelin, which electrically insulates the axons and allows nerve impulses to be transmitted more rapidly and efficiently.
A single oligodendrocyte can form myelin sheaths around segments of several different axons. Oligodendrocytes are responsible for producing most of the myelin in the central nervous system.
Brain. Metal impregnation. Low magnification.
Brain. Metal impregnation. Medium magnification.