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How are neural pathways myelinated?
Neural pathways are myelinated by specialized glial cells called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. These cells wrap around the axons of neurons, forming insulating layers of myelin to speed up the conduction of electrical signals along the nerve fibers.
Which type of cell produces the myelin covering around the axon of a neuron?
In the central nervous system, neuronal axons are myelinated by oligodendrocytes. In the peripheral nervous system axons are myelinated by Schwann cells.
Are muscles and glands myelinated?
Muscles and glands are not myelinated. It is the axon of a neuron that is myelinated. The myelin forms a layer called myelin sheath that makes the nervous system function properly.
What has the author Alan Lloyd Hodgkin written?
Alan Lloyd Hodgkin has written: 'The conduction of the nervous impluse' -- subject(s): Nervous system 'The conduction of the nervous impulse' -- subject(s): Nervous system
White matter of the nervous system is composed of?
White matter in the nervous system is caused when the axons in the area are myelinated. This means that the axons have a fatty protein covering to provide insulation. The myelin sheath is composed of special cells calls Schwann Cells.
What is myelinated nervous tissue?
Myelinated nervous tissue is composed of nerve cells with a fatty substance called myelin sheath covering their axons. This sheath acts as insulation, speeding up the transmission of nerve impulses along the axon. Myelinated tissue is found in the brain, spinal cord, and peripheral nervous system.
Where are myelinated neurons especially abundant?
Myelinated neurons are especially abundant in the central nervous system (CNS), which includes the brain and spinal cord. They are also found in peripheral nerves, where they play a crucial role in the rapid conduction of signals to and from different parts of the body.
What is the name for bundles of myelinated axons in the PNS?
The name for bundles of myelinated axons in the peripheral nervous system (PNS) is "nerves." Nerves serve the purpose of transmitting sensory information and motor impulses between different parts of the body and the central nervous system.
What impulse conduction is the fastest in neurons?
Axons conduct the nerve impulses. Dendrites receive the impulses. Possible the impulses go through the dendrites faster, though the synaptic cleft may slow this pathway. Dendrites are much shorter than axons.
A signal conduction route to and from the central nervous system is a?
Reflex Arc
What contains myelinated axons?
Myelinated axons are found in the central nervous system (CNS) within areas such as the brain and spinal cord, as well as in the peripheral nervous system (PNS) within nerves outside the CNS. Myelin, a fatty substance produced by glial cells like oligodendrocytes in the CNS and Schwann cells in the PNS, wraps around these axons to insulate and speed up the transmission of nerve impulses.
What has the author A L Hodgkin written?
A. L. Hodgkin has written: 'The conduction of the nervous impulse' -- subject(s): Nervous system
