Discover the essential role of the terminal hillock in biological neurons. Learn how this specialized structure facilitates the initiation and propagation of action potentials.
Table of Contents
Question
Is Terminal hillock part of biological neuron?
A. Yes
B. No
Answer
A. Yes
Explanation
The terminal hillock is indeed a part of the biological neuron. It is a crucial component located at the beginning of the axon, serving as the site where action potentials are generated. The terminal hillock integrates incoming signals from the cell body and dendrites, and if the combined input reaches a certain threshold, it triggers an action potential that propagates along the axon to the synaptic terminals.
This specialized region of the neuron is characterized by a high concentration of voltage-gated sodium channels, which are essential for the initiation and propagation of electrical signals. The terminal hillock’s unique properties enable it to function as the neuron’s “trigger zone,” playing a vital role in the transmission of information within the nervous system.
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