what is the difference between a nerve and a nerve fibre?
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Nerve fibre is the axon of neuron and a bundle of many such fibres makes a nerve. ... A neuron is a nerve cell which transmits information through axioms. There are one hundred billion neurons in the brain. Nerves send impulses to the brain to send signals to the body.
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Neurons, or nerve cells that carry nerve impulses, are made up of the cell body, the axon, and several dendrites. Signals move across the synapse, the place where the axon of one neuron meets the dendrite of another, using chemicals called neurotransmitters.
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As nouns the difference between fiber and cotton is that fiber is (countable) a single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread while cotton is a plant that encases its seed in a thin fiber that is harvested and used as a fabric or cloth.
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Neurons are the nerve cells of your nervous system, while neuroglia (often just called glia) are supporting cells that play auxiliary roles. If the neurons are like the communications network for your body, then the glia are the infrastructure that helps to keep that communications network functioning and in place.
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they have a long fibre (axon ) so they can carry messages up and down the body over long distances. in a stimulated neuron, an electrical nerve impulse passes along the axon. the axon is insulated by a fatty (myelin) sheath - the fatty sheath increases the speed of the nerve impulses along the neuron.
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Neurons, or nerve cell, are the main structural and functional units of the nervous system. Every neuron consists of a body (soma) and a number of processes (neurites).
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Neurons in the CNS are covered by myelin sheath that maintains conduction of nerve impulse. Consistently, the CNS houses oligodendrocytes for myelin synthesis. On the other hand, Schwann cells are the myelinating cells in the peripheral nervous system (PNS).
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These functional units are present in both central nervous system (CNS) and peripheral nervous system (PNS). The main difference between ganglia and nuclei is that ganglia are clusters of nerve cell bodies in the PNS whereas nuclei are clusters of nerve cell bodies in the CNS.
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What is the major structural difference between sympathetic preganglionic and postganglionic fibers? Preganglionic fibers are short, and postganglionic fibers are long. How does a medication that blocks beta receptors help a patient with high blood pressure?
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The peripheral nervous system consists of all neurons that exist outside the brain and spinal cord. This includes long nerve fibers as well as ganglia made of neural cell bodies. The peripheral nervous system connects the central nervous system (CNS) to various parts of the body.
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The main difference between these two types of neurons is the speed of conduction of impulse. ... Majority of the neurons in the central and peripheral nervous system are myelinated since they require fast conduction speeds. A neuron with unmyelinated axon has a comparatively lower speed of conduction of the nerve signals.
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As nouns the difference between fiber and microfiber is that fiber is (countable) a single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread while microfiber is very fine synthetic fiber; cloth made of such fiber.
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Neuron. Neurons (also known as neurones, nerve cells and nerve fibers) are electrically excitable cells in the nervous system that function to process and transmit information. In vertebrate animals, neurons are the core components of the brain, spinal cord and peripheral nerves.
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Difference is that sensory neurons are carrying info to the CNS while motor neurons are carrying info away.
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Nerves are actual projections of neurons. Neuron is an individual specialized cell which are primarily involved in transmitting information through electrical and chemical signals. They are found in the brain, spinal cord and the peripheral nerves. Neuron is also known as the nerve cell.
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Efferent, or motor, nerve fibres carry impulses away from the central nervous system; afferent, or sensory, fibres carry impulses toward the central nervous system. Visceral fibres innervate the viscera such as the heart and intestines, and somatic fibres innervate the body-wall structures such as skin…
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Nerve Cells. Although the nervous system is very complex, nervous tissue consists of just two basic types of nerve cells: neurons and glial cells. Neurons are the structural and functional units of the nervous system. They transmit electrical signals, called nerve impulses.