Myelinating glia produce the axon-insulating myelin sheath. These are called oligodendrocytes in the CNS and Schwann cellsin the PNS.This set of functions is provided for by four different types of glial cells Instead, they myelinate neurons, maintain homeostatic balance, provide structural support, protection and nutrition for neurons throughout the nervous system. Glial cells, also called neuroglia or simply glia, are smaller non-excitatory cells that act to support neurons. Understanding the nervous system requires knowledge of its various parts, so in this article you will learn about the nervous system breakdown and all its various divisions. Autonomic nervous system sympathetic, parasympathetic and enteric divisions It is further subdivided into the somatic nervous system (SNS) and the autonomic nervous system (ANS).Ī network of neurons that sends, receives and modulates neural impulses between different body parts.
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