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Axon
The axon is a major extension that leads away from the neuron's soma, varying in length from a fraction of an inch to several feet. Its primary role is to conduct electrical signals from the cell body down to its end, where it connects with other neurons at the terminal buttons.
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Dendrites
Axon
Semipermeable Membrane
Soma (Neuron Cell Body)
Terminal Buttons
Myelin Sheath
A neurological disorder is characterized by a significant slowing of the electrical signal as it travels down the long extension of a nerve cell, leading to symptoms like muscle weakness and poor coordination. Given this information, which part of the nerve cell is most likely deteriorating?
Neural Signal Transmission Disorder
Dendrites
Axon
A specific neurotoxin is developed that exclusively targets and disables the part of a neuron containing the nucleus and the primary metabolic machinery. Which of the following neuronal functions would be the first and most critically compromised?
A specific neurotoxin is developed that exclusively destroys the nucleus of a neuron. Which of the following consequences is the most direct and critical result of this damage, leading to the neuron's death?