BIOLOGICAL BASES OF BEHAVIOR
NEUROTRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Makes sure it doesn’t lose energy
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Protects it
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Holds it in place
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Allows it to move around
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Detailed explanation-1: -The sheath protects these fibers, known as axons, a lot like the insulation around an electrical wire. When the myelin sheath is healthy, nerve signals are sent and received quickly.
Detailed explanation-2: -Myelin is an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances. This myelin sheath allows electrical impulses to transmit quickly and efficiently along the nerve cells. If myelin is damaged, these impulses slow down.
Detailed explanation-3: -Myelin sheath is produced by different types of glia cells. Glia cells are located in the CNS and PNS, that work to maintain homeostasis, and provide support and protection for neurons. The two types of glia cells that produce myelin are Schwann cells and oligodendrocytes.
Detailed explanation-4: -The myelin sheath is a greatly extended and modified plasma membrane wrapped around the nerve axon in a spiral fashion [1]. The myelin membranes originate from and are a part of the Schwann cells in the peripheral nervous system (PNS) and the oligodendroglial cells in the central nervous system (CNS) (see Chap. 1).