Question

the most sensitive part of neuron cell ??

1) Axon
2)Axon hillock
3)Dendrites
4)Nucleus​

Answer 1

Answer:

the most sensitive part of neuron cell is Axon hillock

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Answer 2

Axon hillock the most sensitive part of neuron cell

Explanation:

• Axon hillock (medical definition): a long projection of a neuron that conveys outward neuronal cell signals, in distinction to dendrites, which are small growths from the nerve cells body that bring in incoming signals to the neuron.
• The axon hillock is found near the end of the soma and regulates neuron firing.
• The structure will shoot a signal (known as an action potential) axon terminal if the cumulative strength of the signal exceeds the axon hillock's threshold limit.
• Axons are slender threads that stretch from a neuron, or nerve cell, and are responsible for delivering electrical signals that aid in sensory perception and movement.
• A myelin sheath surrounds each axon, a fatty layer that insulates the axon and aids in signal long distance transmission.
• Dendrites generate projections that are activated by other neurons and transport the electrical charge to the cell body, resembling a tree-like structure (or, more rarely, directly to the axons).
• A neuron's nuclei is a membrane-bound oval structure found in the soma or body of the neuron. It houses the nucleolus and chromosomes, which are required for the cell's programmed protein synthesis.
• Rrna in the nucleolus of the nucleus.