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What is required to maintain nerve fiber sheath?
required to maintain nerve fiber sheath
What is the difference between the contour and magnitude of single nerve fiber and nerve trunk?
What is the difference between the contour and magnitude of single nerve fiber and nerve trunk?
Can a nerve fibre survive without its cell?
No, a nerve fiber cannot survive without its cell, as the nerve fiber is an extension of the neuron, which is the cell responsible for its maintenance and function. The neuron provides essential support, including nutrients and electrical signals, necessary for the nerve fiber's survival. If the neuron dies, the nerve fiber will also degenerate and lose its ability to transmit signals.
Mechanism of nerve conduction?
Nerve conduction involves the transmission of electrical impulses along the length of a nerve fiber. When a nerve is stimulated, sodium ions rush into the nerve cell, causing a change in electrical charge. This creates an action potential that travels down the nerve fiber, activating adjacent areas and allowing the signal to be transmitted. Once the impulse reaches its destination, neurotransmitters are released to stimulate the next nerve cell or muscle fiber.
Why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves?
The reason why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves is owing to nerve plexuses. These are networks of nerves all tangled together and found mostly in the limbs.
What is the site where the muscle fiber and nerve fiber meet called?
Well of course they meet at the neuromuscular junction
What cause a nerve impulse move along the nerve fiber?
Electrical diferences.
What causes a nerve impulse move along the nerve fiber?
Electrical diferences.
What are components of a nerve fiber?
A nerve fiber consists of the axon, which transmits nerve impulses, along with protective covering called myelin sheath, Schwann cells that produce myelin, and the endoneurium which surrounds individual nerve fibers.
What could ACh causes in the dendrites of the postsynaptic neuron?
It would initiate an "action potential," or in other words an electrical impulse carried from nerve to nerve. Neurotransmitters such as ACh (Acetylcholine) are like a medium of exchange between nerve cells, at the end of the neural fiber ACh is released, then picked up (smelled?) by the receptors at the end of another fiber, which can trigger such an impulse. And so these "action potentials" are passed rapidly from cell to cell.
What affects the speed of nerve transmission and how is it measured?
The speed of nerve transmission can be affected by factors such as the myelination of the nerve fiber, temperature, and the diameter of the nerve fiber. It is measured using techniques such as nerve conduction studies, where electrodes are placed on the skin to measure the speed of electrical impulses along a nerve.
What process is called a nerve fiber?
Dendrites
