NEET PG DENTAL EXAM

Detailed explanation-1: -There are three types of glial cells in the mature central nervous system: astrocytes, oligodendrocytes, and microglial cells (Figure 1.4A-C). Astrocytes, which are restricted to the brain and spinal cord, have elaborate local processes that give these cells a starlike appearance (hence the prefix “astro”).

Detailed explanation-2: -Based upon their appearance, function, and origin, four types of glial cells have been identified in the central nervous system: astrocytes, oligodendroglia, ependymal cells, and microglia. Astrocytes are the most numerous type of glia and account for about one half of all cells in the brain.

Detailed explanation-3: -Neurons are one of two major types of nervous system cells. They are electrically excitable cells that transmit nerve impulses. Neuroglia are the other major type of nervous system cells. There are many types of neuroglia and they have many specific functions.

Detailed explanation-4: -The four types of neuroglia found in the central nervous system are astrocytes, microglial cells, ependymal cells, and oligodendrocytes. The two types of neuroglia found in the peripheral nervous system are satellite cells and Schwann cells.